This 20-round, single feed magazine fits rifles chambered in 308 Win, 7.62 NATO and 6.5 Creedmoor. 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. Fits the SFAR®, Ruger Precision® Rifle and SR-762®. This DURAMAG™ magazine is made in the USA by C Products Defense®.