Description
If you shoot a PTR 91 or any of the classic roller-delayed rifles built on the G3 platform, you already know that not every magazine on the market actually fits right. This one is made by PTR Industries themselves, so fit and function are exactly what you'd expect from the factory. It's built with an aluminum body, a stainless steel spring, and an anti-tilt follower that keeps rounds feeding straight and consistent instead of hanging up at the worst possible moment.
Built for the PTR 91 and G3 Family
This magazine isn't limited to just the PTR 91. Since PTR rifles share the same magwell dimensions as the original HK91 and G3 pattern, this 10 round mag also works in HK PSG-1, HK MSG-90, and other rifles chambered for 7.62x51mm that use the same magazine footprint. The metal floorplate snaps off easily with the release button on the bottom, which makes cleaning or spring replacement down the road a quick job instead of a hassle.
Why a 10 Round PTR 91 Magazine Makes Sense
A lot of guys who own a PTR 91 already have a stack of 20 round mags and figure that's all they need. But a 10 round magazine has its own uses. It's less bulky for bench shooting or shooting off a rest, keeps the overall footprint of the rifle more manageable in a truck gun setup, and gives you a lighter option for a day at the range when you don't need max capacity hanging off the bottom of the rifle. Some shooters also just prefer loading fewer rounds per mag to make cycling through a mag bag more organized during practice.
The black finish matches factory PTR 91 furniture and most other G3 pattern builds, and the aluminum construction keeps weight down compared to steel surplus mags without sacrificing the reliability this platform is known for. If you're stocking spares for a roller-delayed .308 rifle, this is a solid, no-nonsense factory option to add to the mag pouch.
Key Specifications
- Manufacturer: PTR Industries
- Model: PTR 91
- Manufacturer Part Number: PTR500097 (AC-010950-02)
- UPC: 897903002176
- Caliber: .308 Winchester / 7.62x51mm NATO
- Capacity: 10 rounds
- Body Material: Aluminum
- Spring Material: Stainless steel
- Follower: Anti-tilt steel follower
- Floorplate: Metal, removable via release button
- Finish: Black
- Length: 3.45 inches
- Fits: PTR 91, HK91, HK G3, HK PSG-1, HK MSG-90
What’s Included
- 1 x PTR 91 10-round 7.62x51mm aluminum magazine
Frequently Asked Questions
Will this PTR 91 magazine fit my HK91 or G3 rifle?
Yes, this magazine uses the same G3/HK91 pattern magwell that PTR 91 rifles are built around, so it fits HK91, HK G3, HK PSG-1, HK MSG-90, and similar roller-delayed rifles chambered in 7.62x51mm. It may need slight modification to run in a CETME rifle since that platform has some magwell differences.
Is this a factory PTR magazine or a surplus conversion?
This is a PTR Industries factory magazine, built with an aluminum body, stainless steel spring, and anti-tilt follower. It's manufactured to PTR's own specs rather than being a modified military surplus magazine, so fit and function line up directly with PTR 91 rifles.
Why would I want a 10 round magazine instead of a 20 round PTR 91 mag?
A 10 round magazine is handy for bench shooting, resting the rifle on a rest or sandbag, or just keeping the profile of the rifle more compact for range days or truck gun setups. It's a nice complement to a stash of standard 20 round mags rather than a replacement for them.
How do I clean or disassemble this PTR 91 magazine?
The metal floorplate pops off using the release button on the bottom of the magazine, which gives you full access to the spring and follower for cleaning or inspection. It goes back together just as easily, so routine maintenance takes only a minute or two.





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