The Magpul PMag 10 Round Polymer Gen M3 Magazine for .308 / 7.62×51 is optimized for use with 7.62×51 NATO (.308 Winchester) ammunition. Constructed from next-generation impact and crush resistant polymer with superior impact resistance and light weight, it features constant-curve internal geometry for smooth feeding, an anti-tilt, self-lubricating follower for increased reliability, and a high-quality stainless steel spring for corrosion resistance. Also included is a pop-off Impact/Dust Cover to protect the feed lips from impacts and debris while in storage, and the cover can be snapped onto the floorplate when not in use to prevent possible loss. The magazine body’s ribbed gripping surface and 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. The flared floorplate offers positive magazine extraction from pouches, and the design of the floor plate offers simple disassembly using the impact cover or a punch for cleaning and maintenance. Made in U.S.A.