In previous videos, Ian McCollum of Forgotten Weapons has reviewed the Zastava M76 and M91 (here’s the range video for the M91) independently. In this video, he takes them both to the range.
Ian likes the handling and feel of the kit-built M76 but the reliability of the Zastava-built M91 wins him over.
I wish I could afford a M91 but they are just to pricey for me – hovering around the $3,150 mark. So, I’ll just have to watch Ian’s video and wish I had one.
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Ian McCollum, of Forgotten Weapons fame, just did a review of a Yugo M76 designated marksman’s rife (DMR). I like the M76 and own one built for me by Two Rivers Arms so I was listening intently.
Ian’s M76 was built by Century Arms from a kit and he’s happy with it.
Two things I picked up that I didn’t know was that the odd looking muzzle brake’s ribs at the pack are actually threads for a suppressor, Huh… that’s interesting.
Those are interrupted threads at the back of the flash hider for mounting a suppressor.
Second off, I’d heard about the ATF mixup wherein they approved 2,000 M76s to be imported with the full-auto sears installed because the rifle used it as a safety and was never full-auto so it stands to reason it was never a machinegun. Well, the ATF decided later on that these rifles were indeed machineguns because they included the evil full-auto sear and mandated that all rifles had to be collected. What I didn’t realize was that they chopped up the receivers and created all the parts kits that we see today. Ahhhhh,,,, now I know.
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In the previous video, Ian at Forgotten Weapons does his bench top review. In this one, we get to see the rifle perform at the range. Ian was at 100 yards and he’s firing PPU match 182 gr 7.62x54r ammo and the group opened up as the barrel warmed up.
Group one – relatively cool barrelGroup 2 opened up a lot – Ian did not the barrel was hotGroup 3 – disappointing. Ian wonders if the scope had problems.
The Range Video
My Conclusion
It really does come across as a Serb copy of the PSL and not worth the fortune it is selling for unless you are a true collector. Whether it was the rifle or the scope, the results are not impressive. Personally, I thought about buying one and decided to pass. when they first came out and this cements it.
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Ian, over at Forgotten Weapons, did a review of the new Zastava M91. In the end, you do wind up with a over-sized 7.62x54r AK variant filling a designated marksman role (DMR). As always, Ian does a provides a great commentary as he looks at and then disassembles the M91.
Stamped receiver with a unique extension at the rear to accommodate the longer cartridge. Note the POSP 4×24 optic.The M91’s unique handguardSkeleton stockA quick look down in the receiver – you can see the extension is riveted in place.
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Surprisingly, Zastava has sold all of their first batch of M91 rifles. I say “surprisingly” because I thought the steep price would deter buyers. Atlantic Firearms had it listed at $3,144.99 on 7/10 and pretty much sold out the same day. I guess I should say I was alerted they were there on 7/10 and they were gone by the time I got there. [Note: This is the link to Atlantic’s listing.]
Zastava USA is posting photos of their new M70 PAP rifles and someone asked if more M91s would be coming in. They replied that there would be more in August. Click here for the thread.
I am not sure who else got the M91 besides Atlantic so there might be some others floating around. Two have popped up on Gunbroker but without photos and that always makes me suspicious. [Click here to do a search]
Sorry, but I will not be purchasing one of these rifles at this price point. I simply can’t afford it. I have the M76 (8mm Mauser), the M77 (.308) and will stick with them. I’m hoping the rumors of a FEG Dragunov being imported pan out. [Note, my M77 cost me something like $6-700 from Centerfire hence my disappointment at the price of the M91.]
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This will be short post and not a very happy one from my perspective. A few days ago, I emailed Zastava USA for an update on their planned importation of the M91 rifle. They responded to me on June 4th and reported that they will have a “very limited number” some time this summer and the MSRP is $3,400. Wow. I had hoped it would be much more affordable than that – I’ll just have to stick with my M76 and M77 at that price point.
I had really hoped they would be more affordable but after my first post, a number of guys in the know said the price was going to be well over $2K depending on the options selected. Well, now I have the first hand info to pass along.
They did not respond about the M93 by the way. So, no updates on that front but given the pricing on the M91, I’m betting it will be high-priced as well.
Sorry I don’t have better news. For folks who can afford them, please post photos and your experiences so I can live vicariously.
They are here! The following are Zastava listings of weapons you can buy online and have shipped to your FFL:
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I’m new to the Yugo M76 rifle and the world of the 8mm Mauser cartridge. When I searched on 8mm Mauser all kinds nomenclature (how it is named) popped up and I had to do some research to understand what to buy. To try and help others I decided to write a blog post to try and clarify what type of ammunition you need to look at for the M76.
IS, JS, IRS & JRS Cartridge Types
When I heard my M76 was almost done being built by Two River Arms, I started shopping for ammo and quickly got confused – I’m good at that. I really didn’t want to deal with old corrosive ammo so my focus was on current commercial offerings and not hunting down old surplus ammo, etc.
First off, you will notice that much of the 8mm Mauser has an “IS” or “JS” designator after the size such as 8×57 IS. The “I” comes from the German word “Infanterie” which means infantry and was mistaken by some to be a “J” so some groups refer to the round using a “JS” designator instead.
When the round was first officially adopted in 1888, it was for 0.318 bore rifles. The “S” dates back to 1903-1905 when “S Patrone” or S ball cartridge was developed for use in S-bore rifles that was larger at 0.323″.
The nomenclature of the rounds can vary because of this and other factors so you are looking for: 8mm Mauser, 8×57 IS, 8×57 JS, 8×57 and so forth. It will likely say IS or JS somewhere especially if it is European but American producers may just say “8mm Mauser”.
Do NOT buy 8×57 IRS or 8×57 JRS. These refer to a rimmed variant that was developed for use in break barrel sporting rifles – double rifles, drilling rifles and so forth. Once in a while you will see it for sale and it will NOT work in a M76. Just remember – if it ends in RS, your day is going to Really Suck 🙂
CIP and SAMMI Specs
The standards body for small arms ammunition in Europe is the Commission internationale permanente pour l’épreuve des armes à feu portatives (“Permanent International Commission for the Proof of Small Arms”. They refer to the 7.92×57 Mauser formally as 8×57 IS.
The US standards body is the Sporting Arms and Ammunition Manufactuers’ Insitute (SAAMI) and they refer to the round both 8mm Mauser and 8x57mm.
I also noticed one interesting detail – the CIP designated rounds are up to 390.00 MPa or 56,565 PSI. Rifles that use the round must be proof tested to 125% of this.
SAAMI is considerably lower at 241.3 MPa or 35,000 PSI and is done is for liability reasons. Among other things, they are concerned that someone may put a modern cartridge in an older narrower throat “I-Series” barrel.
What am I shooting?
I really like Sellier & Bellot from the Czech Republic and they have a number of rounds for the 8mm Mauser listed as 7.92x57JS. The only load I can seem to find from them in the US is the 196 grain Soft Point Cutting Edge (SPCE) cartridge. It functions great and is accurate in my M76. I’m getting about 1.5-2″ at 100 yards with it.
Here’s my S&B 196gr SPCE ammo. It has worked great so far and I am getting about 1.5-2″ groups at 100 yards shooting 5 round groups. I plan on taking my good bench rest the next time I go to the range and see if I can tighten up the groups.
I also have some of the Hornady Vintage Match but haven’t started using it yet. The specs Hornady publishes sure look good and I look forward to trying it.
Hornday Vintage Match 8x57JS. I just bought this and plan on trying this in the near future.The unique looking top round is the 196 grain S&B Soft Point Cutting Edge (SPCE) round. This is supposed to be designed for medium game including boar, goats and deer. The bottom round is a Hornady Vintage Match cartridge and the bullet is a 196gr Boat Tail Hollow Point (BTHP) .
Where To Learn More
The following websites provide a lot of insight into the 8mm Mauser round for those of you who want to learn more.
Thank you for reading and I hope this helps you find ammo for your M76.
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The M76 is a pretty wicked designated marksman’s rifle capable of firing 1.5-2 minutes of angle with the hard hitting 8mm Mauser round. It does have a pretty bad weakness however – the magazines can jam so hard you need a tool to get the follower to come up. There’s a solution and that’s what this post is about.
So, What’s The Problem?
Zastava designed the M76 with a bolt hold open (BHO) follower. In other words, the follower has a big lobe that blocks the carrier from going forward and thus locks the action open. Sounds great, right? It would have been if they had closed the gap between the follower and the magazine body and/or made the skirt of the follower longer.
What happens way too frequently is that when the carrier cycles forward, it hits the bolt hold open lobe of the follower causing the follower’s nose to dive down and jam the follower. Literally, the end result most of the time is that it is a bear to open the action and get the magazine to release — I found I needed to fashion a dowel to hit the rear of the follower to free it up. Not good.
Some guys report more headaches than others and I can’t readily tell you why. Maybe Zastava realized the problem and corrected it or maybe there’s enough variation in the gap between the magazine body and follower that it does not always happen. I have about nine M76 magazines and they all nose dived when hit by the bolt carrier practically every time.
The bolt carrier slams the follower down so hard that it can be difficult getting the magazine out of the rifle as well as releasing the follower.A 3/8″ dowel can be hit with a hammer to pop the follower back into position. Yeah, this sucks.
Cleaning The M76 Magazines
I should point out that I bought about a dozen M76 magazines – some from Apex and some from Ivan Drago on GunBroker. They all had a ton of old cosmoline on them and a lot if was on really thick. I pulled the old paper and junk off the eight you see below and left the rest in storage.
Eight cosmoline laden M76 magazines. Some were almost full of the stuff inside. Some had old newspaper stuck on them as well.I keep a 5-gallon bucket about half full of Ed’s Red cleaner around that I use to remove cosmoline and what not. Click here for the recipe. I let the crusty magazines sit in there for a couple of days because I had other stuff I was working on and the solution needs time to soften everything up. When I am done, I put the lid back on. It’s great for freeing up rusty parts too.After the soaking in Ed’s Red to soften and even dissolve some of the crud, I disassembled each magazine and wiped them out. What a mess. No photos of that part but here you can see ones that are done and sitting in a box waiting for next steps.
The Solution to M76 Magazines and Nosediving
Let’s start with two things that didn’t work just so you know. My first try was to simply polish all the edges. That did not work and neither did adding Dupont Teflon dry lube.
My second try was to use sand paper to round everything over underneath the lips of the body and the outside edge of the skirt. That did not work either – even with polishing and Dupont Teflon dry lube.
1. I went to OnlineMetals and bought a 12″x12″ sheet of cold roll mild steel – nothing fancy is needed. 12×12 turned out to be way more than I needed. Shipping is what kills you so I wanted to only buy one time even if some experimenting was needed.
Nothing more exciting than a photo of a 12×12″ piece of 20 gauge sheet metal.
2. I needed to figure out some basic template so I could cut out a bunch of tabs to to then try different shapes with by sanding them down. Now I have a big belt sander – you could use a file or whatever works for you.
That high quality rendering is from an ancient CAD application called pen and paper. The back of the follower was over 0.7055″ wide – I think I just measured the back bent portion and not the sides so take this as a starting point and not an absolute.. Plus wait until you see the fancy ultra precise cutting method (that’s a joke by the way)! In terms of height, I measured about 0.525″ from the lower shelf to the bottom and then added a 0.25″ to have metal to grind down to a shape that worked so the tabs I cut were about 0.71″ wide and about 0.75-.8″ tall.So much for precision – I used these shears to do the cutting due to the depth of the sheet, I allowed for the thickness of the cutter and clamped a straight edge to guide me from the front to the back. In this photo, the stuff is just sitting there for the photo – I did not have it laid out properly yet. I told you it was high tech, Note, I cut the sheet for the approximate 0.775 dimension. I scribed the line for the 0.7050 dimension and cut it with my bandsaw. I wasn’t kidding when I said the dimensions were ballparks. I had two criteria I wanted to honor – the tab should not protrude from the top or sides of the follower and I wanted enough material at the bottom to do some experimenting and shaping on.I then used a Dremel to remove burs. I did not want anything to hang up inside the magazine.I sanded the back of the follower and sprayed both it and the tab with brake cleaner before welding just to get rid of any contaminants. This is a Harbor Freight 120 volt spot welder and it has the tongs on it for welding in AK rails hence the unique shape of the lower tong if you are familiar with them. If you don’t have a spot welder then I would drill or punch a hole in the tab and shoot a weld with a MIG, etc. I really am not sure if epoxy would hold up with this use case and am recommending true welding for reliabilityI didn’t have much room to move the tongs around. I could get two heavy spot welds. This photo shows part of a third attempt but I settled on just two for the rest.First off, the tab is way too long. I am maybe an 1/8-3/16″ at the base of that curve. You’ll also notice that I sanded the back so it would not drag on the magazine body. I polished all the parts using the little rubberized polishing bits in my Dremel.I did apply a light coat of Super Lube grease to the back to help the parts get to know each other. After things wear in, I bet I will not need it.
You can see the tab. I made sure that the tab was below the lip of the follower. In other words, I did not want it protruding. I went around and polished all edges to make sure nothing would snag.Here’s another angle – you can just barely see the tab.Testing of the magazines was done with Realistic Snap Caps. These were great because they are just like the real 8mm Mauser rounds and I could confirm that feeding was okay.
Bottom Line
Welding in the tab did the trick. I think it works for two big reasons – it closed up a rather large gap at the rear that allowed the follower to tilt down to begin with plus by making the skirt of the follower a bit longer, it could not tip as much either. I don’t think the exact shape of the bottom of the tab matters a great deal but you definitely must debur and polish each By adding a bit of Super Lube grease to the back, everything slid very smoothly. I am assuming it will not be needed as parts wear in and time will tell.
Also, I bought way too much 20 gauge sheet metal. You could get by with a far, far smaller sheet. I thought I would have to experiment more and it turned out to be simpler than I thought.
When I went to range feeding was great and not one problem with the follower nosediving when the carrier returned on an empty mag. Problem solved.
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 info@roninsgrips.com. Please note that for links to other websites, I may be paid via an affiliate program such as Avantlink, Impact, Amazon and eBay.
