The Magpul PMAG 20 LR/SR GEN M3 is the standard by which 7.62 NATO AR magazines are judged — the 20-round polymer mag that runs in SR-25-pattern rifles from countless makers, here in OD Green. GEN M3 refinements include a stainless-steel spring, anti-tilt follower, and aggressive texturing, with the over-molded polymer toughness that made PMAGs the default choice for military and civilian shooters alike. Twenty rounds balances capacity with prone-shooting clearance, making it the right length for precision work off a bag or bipod. If your big-frame AR takes SR-25 mags, stock up on these.

In stock and ready to ship straight to your door from Dawson Defense, an Arizona-owned licensed dealer.