Folks, the HK MR762A1 LR is a heck of a rifle. I’ve been tracking them for a while and am always wishing I could afford one for myself. They are consistent sub-MOA rifles and reliable as well. Check out this great MAC review:
Brownells has a good deal going for the MR762LRPA1 package. These LRP packages are not cheap by any means. List is $7,499.99 and Brownells is selling them for $6,499 and they have them in stock. Click here to go there now. Again, they have them in stock as well!
These MR762A1 LR rifles are really something and I sure hope to own one some day.
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I was surfing around on the web one day looking at interesting builds and ran across something I had never seen before – a Pork Sword pistol. It looked like a short barreled bolt gun on a chassis with a pistol brace, scope and can. What in the heck? So it sure made me curious and I searched on “Pork Sword”. It is totally a thing and I’m surprised it hasn’t caught on yet.
Turns out there is a company called Black Collar Arms that is making the parts and also producing rifles and pistols. What I had seen was a braced pistol based on a Remington 700-foot print receiver on their minimalist Pork Sword chassis with a short barrel. At this point, I was hooked. I like bolt guns and really like building unique stuff. They’ve posted quite a few photos of firearms they have built as well as customer guns – click here.
The concept behind the Pork Sword is simple – create a compact weapon in a caliber that packs a punch without needing to go the registered shot barreled receiver (SBR) rifle route by building a pistol with brace. A Pork Sword would be ideal for hog hunting, hunting in heavy brush, survival situations or even urban engagements. Because it uses a short action Remington 700 receiver, you have tons of caliber choices plus you can decide the barrel length – you can make a firearm that is tailored to your needs.
It had been years since I last owned a Remington 700 XCR LR and all I had done was swap the trigger and stock on it so I remembered very little about how they were made. Sure most bolt guns are similar but the Devil is in the details.
I called Black Collar Arms a couple of time and they were really cool and talked me through a lot of considerations. They offered to either build one for me or sell me the parts and I told them building was really my thing and so we had a great talk. I called them two times, talked to two different guys and they were really helpful — I definitely got good vibes from them.
The logo is awesome!! They charge extra to have it on the chassis and while I really like it, I opted to not have it engraved on my unit.
This build was going to be an investment so I didn’t want to screw up. On top of talking with them, I also did a lot of digging based on what the guys at Black Collar told me and what they had for sale. I then assembled a parts list and slowly started accumulating stuff for close to four agonizing months. I’m not a very patient guy so slowly getting the stuff was a new experience vs. jumping right in with both feet.
I probably researched this project more than most with lots of calls direct to vendors to better understand what they had to offer. My goal is a 1/4″ group at 100 yards and 1″ at 400. That would be about 1/4″ minute of angle (MOA) and is a mean feat. It requires that all the parts come together the right way – caliber selection, chassis, action, barrel, trigger, brake, etc.
If you plan to build a pistol start with a new receiver and not a rifle
From a NFA legality perspective, you are building a pistol so that means you must start with a receiver or pistol but absolutely not a rifle. Once a serial number is classified as a rifle it can’t be a pistol and would have to go the SBR (short barreled rifle) registration route. Again, if you plan on building a pistol and using a brace, start with an action/receiver or a barreled action but never with a rifle. If you do not understand what I am talking about then do not proceed until you understand the difference between a pistol build and what would require registration as a SBR prior to building.
Action/Receiver Comment
By the way, the chassis can use Remington 700 receivers as well as others that fit. That sounds odd but not all third party receivers that say they are “Remington 700 compatible” necessarily have the exact same footprint plus you are going to need a recoil lug. I went with a Big Horn Origin that has a Remmage type of barrel mount meaning you thread the barrel into the receiver and set the headspace and you then tighten down the barrel nut to lock it in place. It’s a slick method. Here are other potential action vendors to consider: Defiance, Alamo Precision Rifles, Surgeon, Impact Precision, Accuracy International, Gunwerks, Bighorn Arms, Pacific Tool and Gauge, Thompson Leh, BAT Machine, Impact Precision, GA Precision, Stiller, Kelbly’s, American Rifle Company, Badger Ordnance, Viper Actions, and Bergara. Again, confirm it will fit before you buy anything.
Big Horn Origin Short Action – This includes the scope rail and I bought this from Northland Shooter Supply (NSUS). Note, Big Horn’s name is changing to Zermatt Arms. I talked to Big Horn directly but bought it from NSUS in the hopes of getting it sooner. NSUS often has them in stock but I had about a 4-6 week wait until mine came in because they had run out of inventory and the owner was very up front with me that I might need to wait a while before I ordered.
X-Caliber Pre Fit Big Horn 12.5″ .308 MTU-profile Barrel with 5/8-24 threads – I bought this direct from X-Caliber when they were having a sale. I needed to talk to them because they have a ton of options and most of them I had no idea what to get so they were a huge help. Their lead times vary but I think it took about 3-4 weeks for them to send me the barrel.
TriggerTech Primary Trigger – These things are so sweet!! They drop right in and are very easy to adjust from 1.5 to 4 pounds of pull and are very crisp. I went with a black straight blade trigger purely out of preference. They offer flat/straight and curved triggers as well as colored black or stainless.
SB Tactical FS1913A Brace – These are relatively new braces from SB Tactical with a long strut, a folding mechanism and fairly stout arm brace assembly at the end. Please note the “A” in the model number I bought. The first version of this brace (FS1913 without the “A”) has a polymer strut that can flex. The FS1913A has an aluminum strut and is stiffer. Given my plans to shoot a .308, I definitely wanted stiffer. You may need to shop a bit – I bought mine from Natchez. If the price is under $199, it’s probably the polymer unit. If you are going with a lighter recoiling round, the polymer ought to be fine.
Ergo Tactical Deluxe Zero Angle Grip – I’ve always liked target stocks with near vertical grips so I opted for this model.
APA Little Bastard brake – this is a tunable brake for precision rifles. I will get a suppressor down the road but for now, I’ll run this brake.
Magpul AFG – Normally I am not a huge fan of angled fore grips but think I may want something to hold on to. I’m really not sure if I will keep it on the rifle long-term but we’ll see.
Magpul bipod – I dismissed this bipod when I first heard about it but guys reported liking it so I figured I better check it out. I bought the Picatinny rail version so I could remove it readily. In hindsight I should have bought the one that was ARMS lever ready but that is a topic for another post. There are a ton of color and options combinations you can consider. As you can see in the photo at the top of the page, I went with black and I did use a small section of Magpul M-Lok aluminum rail to mount it.
AD Recon SL 30mm Scope mount – I like quality quick detach scope mounts. There are two big differences between a quality mount like an ADM and a cheap one. First, when you remove the optic and mount from the rifle and then re-attach them, the zero holds true for a good mount and not a cheap one. Second, the cheap ones tend to wear and bend on the throw lever cams and plates over time and then the accuracy gets worse.
Vortex 4-16×44 HST MRAD scope – I am a huge fan of Vortex scopes and thing you get a lot of quality glass at a reasonable price. I opted for a medium physical size scope. My first choice would have been a PST Gen 2 5-25×50 but I couldn’t quite swing it right now. I may well change to this scope down the road.
Magpul PMAG 7.62×51 AC Magazines – the Pork Sword chassis uses the AC short action series of PMAG 7.62×51 magazines. I bought a couple of 5-round magazines and a couple of 10-round magazines.
Tools Needed
Wheeler Remington 700 Action Wrench – this holds the bolt action while you do the barrel work. I didn’t have one and it was definitely a worthwhile purchase.
Clymer .308 GO and NO-GO Headspace Gages – normally I use Manson out of habit. Clymer has a good reputation and one tip I was told long ago is to go with the same brand of gage for a given caliber. So I went with Clymer for both the GO and NO-GO gages because they were in stock.
Wheeler Professional Laser Bore Sighter – I’ve been using a green laser model for about a year now and really like it. The green is very visible further away but they also have a red laser model at a lower price if you aren’t interested in paying extra for the green laser.
The following tools aren’t firearm specific but will help with the build:
1-1/4″ Crowfoot Wrench – you’ll need this to torque the barrel nut to spec. Confirm the size you need with the barrel maker. I didn’t have one this size and needed to buy it.
1/2″ Torque Wrench – Get one that starts at 10 foot/lbs and goes at 100. That gives you a really versatile range. The action wrench bolts are 10 foot/pounds each and then we you bring the barrel nut down, it’s 50-55 foot/pounds.
1/4″ Torquing Screwdriver – Get a good one. I highly recommend the Vortex Optics unit because it is a precision tool for the optics work but it does max out at 50 inch-pounds and the action screws need 55-65 inch/pounds (note that is inch/pounds and not foot/pounds).
1/4″ Torque Wrench – I used a clicker-style torque wrench for the action screws that I installed at 60-in-pounds.
Vise – have a good enough one bolted to a surface that can hold the action wrench and your life will be way easier.
Blue Loctite – Firearms can shake just about any fastener loose so use Blue Loctite, or your favorite medium strength thread locker, to keep them from rattling loose.
SAE Allen Wrench Bits – If I recall right, all of the hex head screws were SAE and you’ll want the bits so you can torque them down to spec with the torquing screw driver.
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The Israelis definitely understand the need for quality armaments and let’s start with a quick recap of the history leading up to the Galil. In the 1950s, the Israeli Defense Force (IDF) adopted the Belgian FAL but found that their regular drafted troops had a hard time keeping it clean. On one hand, you can blame the troops but on the other you also need to realize that factoring in the dusty environment of the desert, maybe the FAL wasn’t the best design for the situation not to mention its size.
In June 1967, Israel was embroiled in the Six Day War and captured thousands of AK-47 rifles that they then evaluated due to its reliability. The IDF then decided to seek an alternative to the FAL and ultimately went with a design by Yisrael Galil, who had previously helped with the design of the Uzi submachine gun.
Galil’s design was based on the Finnish Valmet Rk 62. The Finn’s also wanted a more refined AK-type rifle and evolved their highly regarded design from the AK that Poland licensed from the Soviets. Compared to the typical AK of the time, the Rk 62 had better metallurgy, a better barrel, an improved sight radius by mounting the rear sight on the dust cover and more.
Valmet Rk 62 rifle with later version plastic furniture and Galil-style roll pin secured buttstock. Photo source: Wikipedia
In terms of the Galil, they took the Rk 62 pattern and evolved the design to the point that it was adopted in 1973 with several models being used. Due to the Military Assistance Program from the United States, 60,000 M16A1 rifles were delivered to the IDF and put into use. Troops liked the M16A1 because it was lighter and more accurate. By 2000, the Galil was mostly phased out of main units and by 2005, it exited the remaining units.
Israeli Military Industries Galil Automatic Rifle (AR) in 5.56x45mm NATO. Photo from Wikipedia.
In 2005, the small-arms division of Israeli Military Industries (IMI), known as “Magen”, was privatized and named Israeli Weapons Industries (IWI). IWI sells small arms all over the world. In 2006, the Colombian company INDUMIL secured exclusive worldwide rights to make GALIL automatic rifles (AR) worldwide – they even sold them to IWI.
With IWI suprevision and technology sharing, from 2006 to 2010, INDUMIL modified 43 of the 96 parts in the Galil AR. Of the 43, 12 steel parts were replaced with plastic and a cumulative savings of approximately 1 KG (2.2 lbs) was achieved. The other 30 parts were modified to improve precision. Thus, in 2010, INDUMIL introduced the Galil Ace. It is now offered in rifle, SBR and pistol configurations chambered for 5.56×45, 7.62×39, and 7.62×51. Here are some photos direct from IWI US:
Galil Ace Rifle chambered in 7.62×51. IWI model GAR1651 Image Source: IWI US Media KitGalil Ace Rifle chambered is 7.62×39. IWI model GAR1639. Image Source: IWI US Media KitIWI Galil Ace SBR in 7.62×39. This is the GAR3SBR model. Image Source: IWI US Media KitIWI Galil Ace SBR in 7.62×51, IWI model GAR51SBR. Image Source: IWI US Media Kit
At this time, Galil Ace rifles are being used in a number of countries including Chile, Columbia and Vietnam. As usual, civilian versions followed including rifles, short barelled rifles (SBRs) and pistol versions to allow people to buy the shorter weapons either with or without braces.
What’s Your Point?
Well, being very interested in Kalahsnikov-related arms, I’ve long wanted to own a Galil. There are a ton of Galil kits available and other projects kepts popping up that precluded me from building a Galil AR. It’s still on my to-do list but I don’t know if I will ever get to it.
So along comes the even more refined Galil Ace weapons. Every single guy I talked to who had one loved it. This includes Scot Hoskinson of RS!Regulate. So, after seeing tons of photos from Scot, I knew I had to get a .308/7.62×51 model and definitely planned on replacing the short handguard with his longer GAR-6M-N unit and I’ll cover that in more detail later.
I started my journey of trying to find one. They were all over Gunbroker with a folding SB Tactical brace installed. To be clear, it’s the SOB brace (I giggle every time I write that product name) on IWI’s folding tube that is dimensioned like some AR pistol buffer tubes at 1.208″. Note, pistol buffer tubes can vary and their outside diameter does not need to be Mil-Spec (1.146″) or Commercial (1.17″). My PSA pistol buffer tube is 1.25″ purely as an example.
This definitely caught my eye – it is the Galil Ace pistol in 7.62×51 with an SB Tactical SOB brace. Image Source: IWI US Media Kit
I found out a while ago to watch Gunbroker for a while to get a feel for prices so I didn’t jump. As luck would have it, Palmetto State Armory (PSA) ran a sale on the .308 Ace Pistol with the SOB brace for $1,499 and undercut everybody. I jumped on the deal and told PSA to ship it to my friend and FFL, Scott Igert, who owns Michigan Gun Exchange and is now quite used to my billion and one quirks.
PSA shipped the unit in a few days and it arrived about a week later. As usual, I had to look it over and was amazed at all the changes from the base AK platform. I took the pistol apart and tried to jot down all the differences to then share with folks and that is what I will do in an upcoming post. What they accomplished is very impressive.
Photos
Until I get the more detailed post done, here are a bunch of photos of my unmodified GAP51SB pistol.
Note, I have to buy all of my parts – nothing here was paid for by sponsors, etc. I do make a small amount if you click on an ad and buy something but that is it. You’re getting my real opinion on stuff.
If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at in**@ro*********.com. Please note that for links to other websites, I may be paid via an affiliate program such as Avantlink, Impact, Amazon and eBay.
