Description The 7.62x51 NATO (.308 Winchester) PMAG 20 LR/SR GEN M3 is a lightweight, cost effective, high reliability polymer magazine for SR25/M110 pattern rifles featuring true 20-round capacity, designed specifically for SAAMI-spec ammunition. Features- paint pen dot matrix panels on the bottom of the body to allow for identification marking, flared floorplate aids magazine handling and disassembly, anti-tilt, self-lubricating follower for increased reliability, stainless steel spring for corrosion resistance, ribbed gripping surface- front and rear texture for positive magazine handling and a multi-use impact/dust cover. Commercial rifle compatibility includes the Armalite AR-10A, Colt LE901-16S, CORE Rifle Systems CORE30, JP Enterprises LRP-07, KAC SR25, LaRue OBR, Les Baer .308, LMT .308 MWS, LWRCI REPR, Mega Arms MATEN, Noveske Gen III N6, POF P-308, Ruger SR-762, Ruger Precision Rifle, S&W M&P10, SIG716 and others. *Note- Compatible with older model Bushmaster .308 ORC, Remington R-25 and DPMS LR308 rifles, but not optimized for bolt lock functionality with newer models based on the DPMS GII design. NOT compatible with Armalite AR-10B, 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. To accommodate longer than SAAMI-spec match ammunition, this magazine may not drop free from all makes of lower receivers.PRODUCT DETAILS:Optimized for use with 7.62x51 NATO (308 Winchester) ammunition with an overall cartridge length less than 2.820". Next-generation impact and crush resistant polymer construction Constant-curve internal geometry for smooth feeding Anti-tilt, self-lubricating follower for increased reliability 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 pouches Multi-use Impact/Dust Cover minimizes debris intrusion and protects cartridges from potential damage during storage and transit