This 20-round single feed magazine fits the Ruger Precision® Rifle and SR-762® chambered in .308 Win & 7.62. The 410 stainless steel body provides strength and durability while the POST & HOLE™ adds strength durability and robotically-welded precision. The mags LIPLOCK™ technology keeps rounds secured and aligned. The Advanced Geometry Follower™ remains level for consistent feeding while the EVERFLEX™ anti-fatigue spring technology ensures long life and reliability. The magazine is finished in a T-360™ total coating technology for enhanced performance & cleaning. This DURAMAG™ magazine is made in the USA by C Products Defense®.