This is a 10-pack Magpul PMAG Gen M3 10-round magazine for AR-10 rifles chambered in 7.62mm/.308 Win Crafted from durable, next-generation polymer with USGI-spec stainless steel internal springs, 4-way anti-tilt followers, flared floorplates and aggressively textured gripping surfaces, Magpul’s Gen M3 PMAG sets a whole new standard for lightweight combat magazines. These 10-round PMAGs are ideal for target practice or shooting from a bench rest/bipod. Fitting nearly flush in DPMS LR/SR-25 style AR-10 magazine wells, these magazines feature detachable dust covers, a redesigned bolt catch notch, a new overinsertion stop, and Magpul’s constant curve internal geometry for maximum reliability and consistent feeding. Grab your 10-pack today! FeaturesOptimized for use with 7.62×51 NATO (.308 Winchester) ammunition with an overall cartridge length less than 2.820″, including M118LR Additional commercial rifle compatibility includes the KAC SR25, DPMS LR308, LWRCI REPR, LaRue OBR, Bushmaster .308 ORC, LMT .308 MWS, Remington R-25, POF P-308, JP Enterprises LRP-07, Les Baer .308, Colt LE901-16S, the new Armalite AR-10A, S&W M&P10, and othersNOTE: NOT compatible with Armalite AR-10B, Noveske N6, Springfield Armory M1A, Rock River Arms LAR8, FN SCAR 17S, PTR-91, HK417 or any other rifles that utilize M14, FN FAL, or HK 91/G3 patterned magazines Next-generation impact and crush resistant polymer construction Constant-curve internal geometry for smooth feeding Anti-tilt, self-lubricating follower for increased reliability Multi-use Impact/Dust Cover keeps dust and dirt out of the magazine and protects the top cartridge from potential damage during storage and transit High-quality stainless steel spring for corrosion resistance Ribbed gripping surface and new aggressive front and rear texture for positive magazine handling Paint pen dot matrix panels on the bottom of the body to allow for identification marking Flared floorplate aids magazine handling and disassembly yet is slim enough for use with many pouchesMade in U.S.A.