The PMAG 10 LR/SR GEN M3 is a lightweight, reliable magazine for SR25/M110 pattern rifles in the smallest possible magazine size. It features a constant-curve body, high-quality stainless steel spring, self-lubricating anti-tilt follower and a snap on impact/dust cover. The easy-to-disassemble flared floorplate aids extraction and handling of the magazine while providing improved drop protection. *Note- Compatible with 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, others.