Two pistols on a workbench with blueprints and tools.

Analytical Report: The Resurgence of Retro Firearms and the Engineering of Modern Reissues

1. Executive Summary and Macroeconomic Market Topography

The commercial firearms industry within the United States is currently undergoing a profound and highly visible topographical shift. The market is transitioning away from a period of unprecedented retail volume and moving toward a mature, highly selective, and heavily segmented environment. Between the years 2020 and 2024, the industry experienced a dramatic normalization phase that fundamentally altered manufacturing priorities and retail strategies. Aggregate purchasing data indicates that American consumers acquired 15.3 million firearms in the year 2024. While this represents a substantial volume of commerce, it also marks a stark decline from the record high of 21.8 million units recorded during the absolute peak of the 2020 purchasing surge.1 Correspondingly, domestic firearm production intended for the commercial market plummeted by 36 percent between 2021 and 2023, falling from a peak of 23.4 million units down to 14.96 million units.1

This sharp contraction across the manufacturing sector reflects the total exhaustion of the fear-based purchasing behaviors that heavily dominated the global pandemic and the subsequent periods of domestic social unrest.2 As retail inventory levels have completely replenished and the secondary resale market has become thoroughly saturated with standard polymer-framed, striker-fired pistols, manufacturers and retailers now face a consumer base that demands highly specialized and historically significant products.3 Consequently, the industry is witnessing a robust and highly lucrative resurgence in the “retro” firearm category. This specialized segment relies not on modern tactical utility, but rather on the precise recreation of mid-to-late twentieth-century aesthetics integrated seamlessly with modern metallurgical processes and contemporary manufacturing advancements.5

U.S. firearm sales chart showing a post-pandemic drop from 21.8M in 2020 to 15.3M in 2024.

This report provides an exhaustive analysis of this market trend through the detailed examination of two highly sought-after reissue platforms that epitomize the current market trajectory. The first subject is the Harrington and Richardson recreation of the Colt Department of Energy 9mm submachine gun, a highly specialized tool born directly from the Cold War nuclear security apparatus. The second subject is the Smith & Wesson Model 940-3, a modern resurrection of a distinct 1990s concealed carry revolver that utilizes specialized moon clip mechanics to fire rimless semi-automatic ammunition. By analyzing the historical context, the highly specific mechanical engineering, and the commercial market placement of these two firearms, this document will illustrate the underlying economic mechanisms driving the modern retro market into the 2026 fiscal year and beyond.

2. The Economics and Psychology of the Retro Market

The resurgence of retro firearms within the commercial space is not merely a passing fashion trend. It represents a calculated economic strategy by major manufacturers to stimulate consumer demand in a heavily saturated market environment. The ubiquitous black polymer handgun and the standard direct-impingement sporting rifle no longer drive immediate consumer urgency, as millions of these units entered private circulation over the past five years.2 Instead, a new generation of collectors has entered the scene, bringing a profoundly different set of purchasing criteria compared to their predecessors who primarily valued utility and modularity.7

These contemporary collectors prioritize provenance, mechanical intrigue, and the narrative weight of the firearm above absolute tactical efficiency.7 They actively seek firearms that tell a compelling story about industrial design, military history, or specialized law enforcement applications.7 As modern warfare and civilian tactical training become increasingly reliant on complex electronics, night vision apparatuses, and thermal optics, a strong counter-culture has naturally emerged within the enthusiast community.6 This demographic finds comfort and intense fascination in the analog engineering of the 1970s and 1980s, viewing these mechanical designs as artifacts of a bygone industrial era.6

Manufacturers have capitalized on this psychological shift by resurrecting long-discontinued models. However, it is vital to understand that these reissues are rarely exact one-to-one replicas built on original, decaying factory tooling. The modern retro firearm is essentially an aesthetic homage constructed using cutting-edge computer-aided design, advanced electrical-discharge machining, and modern computer numerical control milling.5 This technological synthesis allows consumers to experience vintage styling without suffering the reliability issues, poor metallurgy, or inconsistent manufacturing tolerances that frequently plagued original historical models.6

Companies like Palmetto State Armory, operating under their acquired Harrington and Richardson historical brand, alongside heritage companies like Smith & Wesson, have recognized that nostalgia paired with modern reliability creates a highly inelastic demand curve. Consumers are willing to pay premium retail prices for these specialized recreations because they offer a unique intersection of historical storytelling and modern functionality that standard production firearms simply cannot provide.

3. The Harrington and Richardson DOE SMG Recreation

To thoroughly understand the modern appeal of the Harrington and Richardson recreation, an analyst must deeply examine the obscure and highly specialized origins of the firearm it meticulously clones. The original design was not intended for mass commercial consumption or standard military infantry issuance, but rather for a highly secretive domestic security apparatus.

3.1 Historical Context Within Federal Law Enforcement

During the mid-1980s, the global submachine gun market was entirely dominated by the West German Heckler & Koch MP5 platform.8 The MP5 utilized a complex roller-delayed blowback mechanism that offered exceptionally smooth recoil and pinpoint accuracy, making it the default choice for premier counter-terrorism units globally.8 Colt sought to capture a portion of this lucrative law enforcement and military sector by adapting their highly successful M16 rifle architecture into a dedicated 9mm submachine gun.8 While the standard Colt 9mm SMG achieved moderate success in domestic police departments, a highly specific and deeply modified variant was required to meet the exacting operational demands of the United States Department of Energy.

The Department of Energy bears the immense legal and operational responsibility for safeguarding the nation’s nuclear material.10 This mandate includes the protection of active nuclear power facilities, research laboratories, and highly sensitive transportation convoys moving radioactive material across the continental United States.10 The security apparatus assigned to this monumental task, known as the Federal Protective Forces, required a weapon system that offered overwhelming close-quarters firepower but remained compact enough to be manipulated rapidly inside the cramped interiors of armored transport vehicles.8 Furthermore, the weapon needed to be deployed instantly in confined subterranean corridors or thrust through specialized firing ports designed into secure facility bulkheads.8

Colt engineers responded to this stringent federal requirement with the Model 633, internally referred to by its designers as the “Briefcase Gun” due to its remarkably diminutive footprint.8 The weapon defeated the highly regarded HK MP5K in the Department of Energy procurement trials, likely due to its superior ergonomic familiarization for guards who were already heavily trained on the standard M16 platform.12 Additionally, the Colt design included a specialized stabilizing collapsible stock that offered greater precision and shoulder support than the stockless or folding-stock configurations of its German competitor.10 Because the Department of Energy was the sole significant purchaser of the Model 633, original fully automatic examples are exceedingly rare, making the platform a mythical artifact among modern firearm historians and collectors.10 The scarcity of the original platform directly fuels the intense commercial demand for the modern Harrington and Richardson semi-automatic recreation.

3.2 Technical Specifications and Direct Blowback Operation

The modern recreation produced by Harrington and Richardson accurately mirrors the mechanical architecture of the original Colt design while utilizing vastly superior modern materials. The firearm is chambered in the 9x19mm Parabellum cartridge and operates on a closed-bolt, direct-blowback mechanism.8

Understanding the mechanics of direct blowback is critical to appreciating the engineering elegance of this firearm. Unlike a standard AR-15 rifle which utilizes a direct-impingement gas system to unlock a complex rotating bolt head, the 9mm DOE recreation relies entirely on the principle of Newtonian inertia.16 There is no gas tube routing expanding propellant gases back into the receiver, nor is there a locking lug assembly present in the upper receiver or on the barrel extension.16 Instead, the breech is held securely closed at the exact moment of cartridge ignition solely by the massive physical weight of the bolt assembly acting in conjunction with the forward pressure of a heavy buffer spring located in the rear receiver extension.

When the 9mm cartridge is fired, the rapidly expanding propellant gases push the lead projectile down the rifled barrel while simultaneously pushing rearward with equal force against the inside of the spent brass casing. This violent rearward force works to overcome the static inertia of the heavy steel bolt resting against the breech face. The precise mathematical calculation of the bolt mass ensures that the breech does not open prematurely. The bolt is heavy enough that it delays its rearward movement until the projectile has successfully exited the muzzle and the internal chamber pressures have dropped to a safe atmospheric level.

Once this safe pressure threshold is reached, the residual momentum forces the heavy bolt to travel rearward along the receiver channel, extracting and ejecting the spent casing out of the ejection port.8 The heavy buffer spring then arrests the rearward travel, compresses, and forcefully returns the bolt forward, stripping a fresh cartridge from the magazine and chambering it for the next firing sequence.8 This mechanical simplicity results in a highly robust weapon system that requires minimal maintenance, though it does generate a sharper felt recoil impulse compared to gas-operated systems due to the reciprocating mass of the heavy bolt.

The Harrington and Richardson model features a highly compact 7.5-inch barrel constructed from 4150 Chrome Moly Vanadium steel.8 This particular grade of steel is treated with a modern nitride finish to significantly enhance surface hardness and internal corrosion resistance, a distinct technological upgrade from the standard phosphated barrels utilized during the 1980s.8 The barrel features a 1:10 twist rate, which optimally stabilizes standard 115-grain and 124-grain 9mm projectiles, and includes a modern 5/8×24 thread pitch at the muzzle.10 This threading is a deliberate deviation from the original historical design, allowing contemporary civilian users to easily attach modern sound suppressors or recoil compensators without requiring permanent modifications to the barrel.10 The firearm feeds reliably from 20-round or 32-round stick magazines based entirely on the modified Uzi architecture utilized by the original Colt design, utilizing a pinned magazine block inserted into a standard AR-15 lower receiver forging.8

3.3 Unique Aesthetic and Functional Features

The visual silhouette of the DOE SMG is entirely unique within the extensive AR-15 family tree, and Harrington and Richardson have meticulously recreated these distinct physical features to satisfy the exacting demands of historical purists and military clone builders.

The upper receiver is forged in a “slick side” 9mm carry-handle configuration.18 This specific terminology means the forging lacks the forward assist mechanism and the brass deflector bump found on standard military M16A2 rifles.18 The forward assist serves absolutely no functional purpose on a direct-blowback bolt, as the bolt lacks the serrations necessary for manual forward engagement, making the slick-side receiver historically accurate and functionally correct.18

The most arresting visual component of the weapon system is the proprietary front handguard assembly. Unlike standard cylindrical, triangular, or modern aluminum M-LOK handguards, the DOE recreation features a stubby, ribbed polymer handguard equipped with a heavily integrated heat shield.18 This internal metal shield prevents the operator’s support hand from sustaining severe thermal injuries during rapid strings of fire, while a large, integrated physical hand stop plate located at the front of the assembly prevents the operator’s fingers from slipping forward past the exceptionally short muzzle.8 Given the 7.5-inch barrel length, a hand slipping forward of the muzzle during live fire would result in catastrophic injury, making this hand stop a critical safety component.

Positioned immediately forward of the handguard sits the folding front sight base.18 This heavy folding mechanism is highly unusual for 1980s firearm design and is widely considered by historians to be one of the earliest iterations of a folding backup iron sight utilized on the AR platform.8 While official Colt historical documentation regarding the exact tactical necessity of this folding sight remains somewhat fragmented, ballistic experts hypothesize it was engineered to create an entirely snag-free profile.8 A folded sight ensures the weapon does not catch on fabric or foam when the weapon is stored inside a specialized briefcase for covert transportation, nor does it obstruct the view when the weapon is thrust through the narrow confines of a nuclear facility firing port.8

At the rear of the weapon, Harrington and Richardson successfully navigated modern federal regulations by equipping the commercial pistol variant with a HAR-15 adjustable stabilizing brace.8 This polymer and velcro brace is visually engineered to heavily mimic the aesthetic contour of the original two-position Colt submachine gun stock, maintaining the critical historical illusion for collectors while classifying the item legally as a pistol under current federal law, thereby avoiding the lengthy bureaucratic delays and taxation associated with registering a Short Barreled Rifle.8

For consumers wishing to explore this platform, the official manufacturer website for Harrington and Richardson can be accessed via their corporate parent company, Palmetto State Armory, at the precise URL https://palmettostatearmory.com/brands/h-r-arms-co.html.19

4. The Smith & Wesson Model 940 9mm Revolver Reissue

While Harrington and Richardson explicitly cater to the military and federal law enforcement historian, Smith & Wesson has successfully tapped into the highly lucrative and continuously expanding concealed carry market by resurrecting a highly specific mechanical anomaly. By reissuing the 9mm snubnose revolver, the company bridges the gap between traditional revolver reliability and modern semi-automatic ammunition logistics.

4.1 Lineage and the Subcompact Revolver Paradigm

The Smith & Wesson Model 940 possesses a somewhat troubled but intensely fascinating commercial history within the personal defense sector. It was originally introduced to the civilian public in 1991 as an innovative, high-pressure companion piece to the traditional.38 Special J-Frame revolvers that had dominated the backup-gun market for decades.21 Despite its immense ingenuity and robust construction, the original Model 940 was quietly discontinued in 1998 due to shifting consumer market preferences that heavily favored high-capacity, polymer-framed semi-automatic pistols for concealed carry applications.21 For nearly three decades following its discontinuation, the surviving original models developed a fierce and dedicated cult following on the secondary resale market.22 Collectors and defensive practitioners recognized the supreme ballistic efficiency of the high-pressure 9mm cartridge fired from a compact wheelgun, driving secondary market prices well above original retail values.22

In August 2025, carefully observing the intense nostalgia and practical demand for this unique configuration, Smith & Wesson officially re-introduced the firearm to their standard production catalog as the Model 940-3 Carry.21 This modern catalog addition deliberately caters to purists and serious defensive shooters by intentionally omitting the highly controversial internal locking mechanism, colloquially and derisively known by collectors as the “Hillary hole”.21 This omission ensures a completely uninterrupted frame profile that appeals to traditionalists who view internal locking mechanisms as an unnecessary mechanical liability that could potentially fail during a critical life-saving deployment.21 By removing this lock, Smith & Wesson signaled a clear commitment to producing a serious, uncompromised defensive tool that respects its historical pedigree.

4.2 Technical Specifications and Metallurgy

The Model 940-3 is built directly upon the legendary Smith & Wesson J-Frame architecture, a mechanical footprint which has long served as the absolute gold standard for deep concealed carry and backup duty usage by law enforcement officers. The firearm measures an extremely compact 6.63 inches in overall length, a slender 1.31 inches in width across the widest point of the cylinder, and 4.38 inches in total height, allowing it to easily slip into a specialized pocket holster or an inside-the-waistband rig without generating a visible printing signature through clothing.25

The revolver utilizes a smooth double-action-only trigger mechanism with a fully concealed, snag-free internal hammer.21 This specific enclosed lockwork ensures that the firearm can be drawn rapidly and violently from a pocket, a purse, or a deep concealment holster without the severe risk of an exposed hammer spur catching on fabric linings.21 The 2.17-inch barrel and the five-shot fluted cylinder are constructed entirely from heavy stainless steel, resulting in a robust, confidence-inspiring unloaded weight of 23.5 ounces.25

To modernize the sighting system for contemporary defensive standards, Smith & Wesson completely abandoned the rudimentary machined trench sights that severely limited the accuracy of the 1990s iterations. The modern 940-3 features an enlarged, high-visibility XS Sights tritium night sight securely dovetailed into the front rib of the barrel, paired directly with a distinct, widened U-notch rear sight channel machined into the top strap of the frame.21 This high-contrast optical configuration allows for incredibly rapid target acquisition in compromised, low-light environments where traditional stainless steel sights would completely wash out.21 The user interface is completed with a set of Hogue OverMolded Rubber Bantam grips featuring a cobblestone texture, or specialized VZ composite grips on certain distributor-exclusive variants, providing superior recoil mitigation and excellent moisture resistance during stressful encounters.25

4.3 The Mechanics of Moon Clip Extraction

The most defining mechanical characteristic of the Model 940-3, and the engineering marvel that makes the entire platform viable, is its absolute reliance on full moon clips to sequence its ammunition.26 The 9mm Luger cartridge was fundamentally designed at the turn of the 20th century for use in semi-automatic pistols and features a rimless casing profile. Traditional revolvers rely heavily on a pronounced brass rim located at the base of the cartridge to physically seat the ammunition against the rear cylinder face.28 More importantly, this pronounced rim gives the star-shaped mechanical ejector a physical ledge to push against during the critical extraction process.28

If a shooter were to drop a rimless 9mm cartridge directly into a standard, unmodified revolver cylinder, the cartridge would likely slide too far forward into the chamber, resulting in improper headspace. This means the firing pin would fail to reach the primer, resulting in a failure to fire.29 Furthermore, even if the chamber was specially machined to headspace the cartridge on the case mouth allowing it to fire, a secondary, catastrophic problem arises during ejection. The extractor star, when pushed backward by the ejector rod, would slip harmlessly past the narrow extraction groove on the rimless brass casing, leaving the expanded, spent shell stubbornly lodged inside the heated steel chamber.28

The moon clip resolves this profound mechanical incompatibility with elegant simplicity. Stamped from a very thin, highly durable, and precisely machined piece of spring steel, the full moon clip is a star-shaped bracket that securely grips the extraction groove of five individual 9mm cartridges simultaneously.28 By binding all five rounds into a single, cohesive geometric unit, the moon clip acts as a structural bridge. It provides the necessary artificial rim required to achieve proper headspacing against the rear face of the cylinder, preventing the cartridges from falling too deeply into the chambers.29

The true genius of the moon clip is revealed during the extraction phase, where it serves as an impenetrable physical barrier.28 When the user strikes the ejector rod, the central extractor star pushes directly against the wide, flat steel surface of the moon clip itself, rather than attempting to engage the individual, narrow brass grooves of the rimless casings. Because the moon clip holds all five cartridges, pushing the clip backward guarantees the positive, simultaneous extraction of all five spent shells from the cylinder without any risk of the star slipping past a casing.28

Beyond the mechanical necessity of making the rimless cartridge function, moon clips offer a severe tactical advantage over traditional speedloaders or loose ammunition. Because the ammunition is permanently clustered together as a single rigid assembly, the user can reload the entire empty cylinder in a single, fluid, uninterrupted motion.28 This drastically reduces the time required to recharge the weapon during a dynamic defensive encounter, combining the rapid-reload capability of a semi-automatic magazine with the mechanical reliability of a revolver action.28

4.4 Inertial Physics: Recoil Management and Crimp Jump Prevention

The specific design decision by Smith & Wesson engineers to manufacture the Model 940-3 entirely out of heavy stainless steel, rather than utilizing the modern lightweight aluminum or scandium alloys found in their Airweight series, was strictly dictated by the immutable laws of physics governing revolver ammunition.30 Specifically, the hefty 23.5-ounce unloaded weight of the firearm is a vital engineering requirement implemented to prevent a catastrophic and highly dangerous malfunction known as crimp jump.30

Crimp jump is an inertial phenomenon that severely plagues ultra-lightweight revolvers firing high-pressure defensive ammunition.31 Traditional revolver cartridges, such as the heavy-recoiling.357 Magnum, utilize a heavy “roll crimp.” In this manufacturing process, the mouth of the brass casing is physically rolled inward into a deep, corresponding groove cast into the lead bullet, locking it firmly in place.31 In sharp contrast, the 9mm Luger is a semi-automatic cartridge designed to feed from a spring-loaded magazine. It relies merely on a light “taper crimp” and internal neck tension friction to hold the projectile inside the smooth, straight-walled brass casing.31

When a revolver is fired, the violently expanding propellant gases push the projectile forward while simultaneously pushing the frame of the weapon sharply backward into the shooter’s hand. According to Newton’s first law of motion, the unfired cartridges sitting passively inside the adjacent chambers of the cylinder are subjected to extreme, sudden rearward acceleration.31 The heavy lead projectiles resting inside those unfired casings naturally want to remain stationary in space due to their own static inertia.31

If the rearward acceleration of the gun frame is violent enough—as is the case with ultra-lightweight revolvers—the brass casing will be yanked backward faster than the friction of the light taper crimp can hold the heavy bullet.31 Consequently, the bullet incrementally creeps forward, pulling out of the casing with each successive shot fired from the gun.31 If the projectile creeps forward far enough to protrude past the front face of the cylinder, it will bridge the microscopic gap between the cylinder face and the barrel’s forcing cone. When the user attempts to pull the trigger for the next shot, the protruding bullet will jam against the frame, resulting in a catastrophic mechanical lockup that renders the cylinder unable to rotate and the firearm completely inoperable.30

By intentionally engineering the Model 940-3 to a substantial 23.5 ounces, Smith & Wesson mathematically altered the recoil acceleration curve of the firearm.30 The much greater mass of the solid stainless steel frame requires significantly more kinetic energy to displace, thereby slowing down the peak recoil velocity transmitted through the cylinder to the unfired cartridges.30 This heavily dampened acceleration keeps the inertial forces acting upon the unfired 9mm projectiles safely below the critical threshold required to break the friction of the taper crimp.30 This deliberate weight ensures reliable, continuous operation in life-or-death defensive scenarios, regardless of the ammunition type utilized.30 Furthermore, this substantial weight serves a secondary ergonomic purpose: it efficiently absorbs the snappy, high-pressure recoil impulse generated by modern +P 9mm defensive loads, allowing the user to track the XS night sight with significantly greater ease during rapid, multi-shot strings of fire.30

For exhaustive product documentation, warranty details, and technical specifications, the official manufacturer page for the Smith & Wesson Model 940 can be accessed directly at the exact URL https://www.smith-wesson.com/product/model-940-3.25

5. Commercial Market Data and Vendor Availability Analysis

To accurately assess the current commercial viability, distribution penetration, and retail pricing structure of these highly anticipated reissued firearms, real-time market pricing data was analyzed across an array of prominent national retailers. The tables below outline the strict product matches for the highly specific configurations discussed throughout this analytical report. Pricing models reflect the dynamic spread between absolute observed retail minimums and average market expectations for the upcoming 2026 sales cycle.

Please note that the highly specialized, boutique nature of the Harrington and Richardson brand, operating as a direct, niche subsidiary of Palmetto State Armory, severely limits its wholesale distribution network.19 A comprehensive analysis of the requested preferred vendors revealed that the majority do not carry this exact historical recreation. Therefore, carefully selected alternative vendors have been sourced and vetted to provide the necessary five distinct retail acquisition avenues required for a complete market analysis.

5.1 Harrington and Richardson DOE 9mm Pistol Availability

The following vendors supply the exact 7.5-inch barrel, HAR-15 brace-equipped Harrington and Richardson DOE submachine gun semi-automatic recreation.

Vendor NameMarket PriceStock StatusURL
Palmetto State Armory$1,149.00Activehttps://palmettostatearmory.com/h-r-retro-doe-7-5-9mm-complete-pistol.html
Atlantic Firearms$1,149.99Active(https://atlanticfirearms.com/Harrington-Richardson-DOE-Pistol)
Aim Surplus$1,199.95Activehttps://aimsurplus.com/products/harrington-richardson-retro-doe-75in-9mm-ar15-pistol
JSE Surplus$1,199.99Activehttps://jsesurplus.com/product/hr-retro-doe-7-5-9mm-complete-pistol-black/
Sportsman’s Outdoor Superstore$1,249.99Active(https://www.sportsmansoutdoorsuperstore.com/products2.cfm/ID/348855/hr51655182786/h-and-r-retro-doe-9mm-semi-auto-pistol-w-threaded-barrel,-har15-brace)

Validation Note: Palmetto State Armory represents the primary preferred vendor as the direct manufacturing parent organization of the Harrington and Richardson brand. Alternate vendors (Atlantic Firearms, Aim Surplus, JSE Surplus, and Sportsman’s Outdoor Superstore) were utilized to meet the precise comparative requirement due to the specialized, limited distribution network of this specific historical recreation.

5.2 Smith & Wesson Model 940-3 9mm Revolver Availability

The following table reflects the current market distribution and retail pricing structure for the heavy stainless steel, 2.17-inch barreled double-action-only Smith & Wesson Model 940-3.

Vendor NameMarket PriceStock StatusURL
Midway USA$849.00Activehttps://www.midwayusa.com/product/1028922985
KYGunCo$849.00Activehttps://www.kygunco.com/product/smith-wesson-model-940-3-j-frame-9mm-2.17-5rd-silver
GrabAGun$849.00Activehttps://grabagun.com/smith-and-wesson-940-3-carry-stainless-9mm-2-17-barrel-5-rounds.html
Palmetto State Armory$849.99Activehttps://palmettostatearmory.com/smith-wesson-model-940-9mm-revolver-2-17-5rd-stainless-steel-14328.html
Brownells$849.00Awaiting Restockhttps://www.brownells.com/guns/handguns/revolvers/9mm-luger-revolvers/

Validation Note: The Brownells listing explicitly notes that the specific product is currently out of stock and is awaiting warehouse restock directly from the manufacturer. Because a fifth preferred vendor carrying this exact item could not be located with an active product page, the alternative vendor GrabAGun was utilized to fulfill the data requirement. All other listed preferred vendors actively maintain current inventory matching the strict specifications.

6. Strategic Industry Conclusions

The robust commercial success of the Harrington and Richardson DOE submachine gun clone and the Smith & Wesson Model 940-3 revolver illustrates a mature, sophisticated transition within the firearms industry. Manufacturers can no longer rely on sheer volume driven by civic anxiety or political uncertainty to effortlessly pad their quarterly profit margins.2 The modern consumer dictates a highly demanding paradigm where historical significance and nostalgic aesthetics must seamlessly integrate with contemporary manufacturing tolerances, advanced metallurgy, and modern safety standards.

The Harrington and Richardson DOE pistol serves as a premier testament to the immense profitability of producing esoteric law enforcement artifacts. By utilizing modern nitriding processes on a robust 4150 steel barrel, incorporating contemporary 5/8×24 muzzle threads for suppressor hosting, and engineering a polymer brace that carefully navigates current legal parameters, the company has masterfully transformed a virtually unobtainable Cold War oddity into a highly functional, attainable asset for the modern collector.8 They have monetized history by ensuring it functions with modern reliability.

Conversely, the Smith & Wesson Model 940-3 demonstrates how precise mechanical engineering can successfully resurrect a discontinued concept and dominate a modern market segment.21 By fully understanding the inertial physics of crimp jump and committing unequivocally to the heavy 23.5-ounce stainless steel architecture, Smith & Wesson overcame the severe physical limitations of firing rimless cartridge extraction in a revolver cylinder.30 The brilliant implementation of the spring steel moon clip transforms a mechanical vulnerability into a profound tactical advantage, providing the modern concealed carry practitioner with a highly resilient platform that leverages the ubiquitous, economical, and ballistically proven 9mm cartridge.28

Ultimately, these two distinct firearms represent the vanguard of the modern retro movement within the broader commercial market. They definitively prove that when manufacturers respect the historical aesthetic while simultaneously and heavily upgrading the internal engineering, the commercial market will reward them with robust, inelastic, and highly sustainable consumer demand.


Note: Vendor Sources listed are not an endorsement of any given vendor. It is our software reporting a product page given the direction to list products that are between the minimum and average sales price when last scanned.


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Sources Used

  1. Gun Sales Are Plummeting in the U.S. Here’s Why – The Trace, accessed April 13, 2026, https://www.thetrace.org/2025/01/gun-sales-america-market-decline-data/
  2. U.S. Firearms Industry Today Report 2025, accessed April 13, 2026, https://shootingindustry.com/discover/u-s-firearms-industry-today-report-2025/
  3. The Secondary Firearm Market in 2026: Trends in Private Sales and Collectibles, accessed April 13, 2026, https://www.theoutdoorwire.com/native-ads/the-secondary-firearm-market-in-2026-trends-in-private-sales-and-collectibles
  4. The Great Gun Sell-Off of 2025 – What Gun Stores DON’T Want You to Know! – YouTube, accessed April 13, 2026, https://www.youtube.com/watch?v=KD3RWeIHong
  5. New Guns for 2025 | An Official Journal Of The NRA – Shooting Illustrated, accessed April 13, 2026, https://www.shootingillustrated.com/content/new-guns-for-2025/
  6. The Old & The Bold: Retro Guns And Their Accessories, accessed April 13, 2026, https://gundigest.com/more/classic-guns/retro-guns
  7. The Future of Antique Firearm Collecting – Trends to Watch – Richmond Firearms Auctions, accessed April 13, 2026, https://www.richmondfirearms.com/the-future-of-antique-firearm-collecting-trends-to-watch/
  8. PSA Harrington & Richardson Retro DOE Review: Old School Cool, accessed April 13, 2026, https://www.pewpewtactical.com/psa-hr-retro-doe-review/
  9. This Gun Was Made To Defend Nuclear Reactors. The H&R DOE – YouTube, accessed April 13, 2026, https://www.youtube.com/watch?v=SR_x_waxTe0
  10. PSA/H&R Clones the Department of Energy Colt 9mm SMG – YouTube, accessed April 13, 2026, https://www.youtube.com/watch?v=m3R4JXTnFiA
  11. Safeguards and Security at Domestic Nuclear Weapons Facilities, accessed April 13, 2026, https://sgp.fas.org/news/snsrpt.html
  12. A History Of The Colt Submachine Gun – The Mag Life – GunMag Warehouse, accessed April 13, 2026, https://gunmagwarehouse.com/blog/a-history-of-the-colt-submachine-gun/
  13. H&R DOE : r/GunPorn – Reddit, accessed April 13, 2026, https://www.reddit.com/r/GunPorn/comments/1r497sr/hr_doe/
  14. PSA and H&R Reimagines the DOE SMG – GAT Daily (Guns Ammo Tactical), accessed April 13, 2026, https://gatdaily.com/articles/psa-and-hr-reimagines-the-doe-smg/
  15. The Colt 633 DOE Submachinegun – GUNS Magazine, accessed April 13, 2026, https://gunsmagazine.com/guns/rifles/the-colt-633-doe-submachinegun/
  16. Harrington & Richardson DOE 9mm Pistol | Retro AR Styling – Palmetto State Armory, accessed April 13, 2026, https://palmettostatearmory.com/h-r-retro-doe-7-5-9mm-complete-pistol.html
  17. Harrington & Richardson Retro 9mm AR15 Pistol – AtlanticFirearms.com, accessed April 13, 2026, https://atlanticfirearms.com/Harrington-Richardson-DOE-Pistol
  18. H&R DOE 9mm Pistol | Harrington & Richardson – YouTube, accessed April 13, 2026, https://www.youtube.com/watch?v=FQ424LWSW6E
  19. Harrington and Richardson Arms Company | Palmetto State Armory, accessed April 13, 2026, https://palmettostatearmory.com/brands/h-r-arms-co.html
  20. Harrington and Richardson Arms Company | Palmetto State Armory, accessed April 13, 2026, https://palmettostatearmory.com/brands/h-r-arms-co.html?p=3
  21. Smith & Wesson 940-3 Carry, new 9mm EDC revolver | all4shooters, accessed April 13, 2026, https://www.all4shooters.com/en/shooting/pistols/smith-wesson-model-940-3-carry-in-9-mm/
  22. New: Smith & Wesson New Model 940-3 9mm J-Frame Snub – Guns.com, accessed April 13, 2026, https://www.guns.com/news/2026/02/16/new-smith-wesson-new-model-940-3-9mm-j-frame-snub
  23. The Smith & Wesson Model 940 J-Frame 9mm Revolver Has Returned – Guns.com, accessed April 13, 2026, https://www.guns.com/news/2025/08/08/the-smith-wesson-model-940-j-frame-9mm-revolver-has-returned
  24. Smith & Wesson 940-3, a new concealed carry snubnose revolver | GUNSweek.com, accessed April 13, 2026, https://gunsweek.com/en/pistols/news/smith-wesson-940-3-new-concealed-carry-snubnose-revolver
  25. MODEL 940-3 | Smith & Wesson, accessed April 13, 2026, https://www.smith-wesson.com/product/model-940-3
  26. Wheelgun Wednesday: The New Smith & Wesson Model 940-3 9mm Revolver, accessed April 13, 2026, https://www.thefirearmblog.com/blog/wheelgun-wednesday-the-new-smith-wesson-model-940-3-9mm-revolver-44826850
  27. Smith & Wesson Model 940-3 J-Frame Revolver: First Look – Guns and Ammo, accessed April 13, 2026, https://www.gunsandammo.com/editorial/9403-jframe-first/545800
  28. Moon Clips: What Are They and How Do They Work – USCCA, accessed April 13, 2026, https://www.usconcealedcarry.com/blog/moon-clips/
  29. MOON CLIPS, MOON CLIPS, MOON CLIPS! | Smith & Wesson, accessed April 13, 2026, https://www.smith-wesson.com/article/moon-clips-moon-clips-moon-clips
  30. S&W 432 UC vs S&W 940 Review: Which Premium Snub-Nose is for You?, accessed April 13, 2026, https://inside.safariland.com/blog/sw-432-uc-vs-sw-940-premium-snubnose/
  31. Testing CRIMP JUMP in a 9mm Revolver-An Actual Concern or Just Fudd Lore? AL9.0 … – YouTube, accessed April 13, 2026, https://www.youtube.com/watch?v=QJ-aUil6tk4
  32. Is a 9mm Revolver Right for You? Four Pros and One Con – The Mag Life, accessed April 13, 2026, https://gunmagwarehouse.com/blog/is-a-9mm-revolver-right-for-you-four-pros-and-one-con/
  33. Davidson’s Brings Back Smith & Wesson 940 9mm | thefirearmblog.com, accessed April 13, 2026, https://www.thefirearmblog.com/blog/davidson-s-brings-back-smith-wesson-940-9mm-44822200
  34. S&W’s 940 – The New (but old) 9mm – YouTube, accessed April 13, 2026, https://www.youtube.com/watch?v=EUvLe6Glp9U