The Magpul PMAG 20 LR/SR GEN M3 is a lightweight, highly reliable 20-round magazine engineered for 7.62x51mm NATO (.308 Winchester) use in SR25/M110 pattern rifles and AR-10 platforms. It employs impact- and crush-resistant polymer construction with a constant-curve internal geometry and an anti-tilt, self-lubricating follower to promote smooth feeding. A snap-on impact/dust cover and aggressive texturing improve handling and storage while paint-pen dot matrix panels allow user identification.
Key Specifications
- True capacity is 20 rounds for the specified cartridge.
- Chambering compatibility is listed as 7.62x51mm NATO / .308 Winchester.
- Body material is impact- and crush-resistant polymer for reduced weight.
- Finish is black to match common rifle finishes.
- Intended platform fit is AR-10 / SR25 / M110 pattern rifles.
- Included accessory is a snap-on impact/dust cover for storage protection.
- Follower type is an anti-tilt, self-lubricating follower to aid reliability.
- Spring material is stainless steel for corrosion resistance.
- Floorplate design is a flared floorplate to aid handling and disassembly.
- Made in the USA.
Purpose-built for shooters who value reliable, lightweight magazines for precision and duty-style rifles, the PMAG 20 LR/SR GEN M3 combines proven internal geometry and durable polymer construction to deliver consistent feeding and easy handling. Its compact 20-round profile, protective cover, and identification panels make it a practical choice for users who need durable, serviceable magazines for range use, competition, or field applications.
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