Brownells AR-15 Magazine Features The Brownells AR-15 Magazine is built to military specifications and manufactured under ISO quality control standards giving shooters confidence that even a top tier AR-15 will feed reliably shot after shot. Its aluminum body is treated with a hard-anodized finish in Tan protecting the magazine against corrosion while matching common tan and earth tone rifle builds. A stainless-steel spring provides consistent long lasting tension for reliable feeding across thousands of loading and unloading cycles. Chambered for 5.56 NATO and .223 Rem this magazine also accommodates other AR-15 platform cartridges sharing the same magazine well dimensions. Every Brownells AR-15 Magazine includes a Magpul anti-tilt follower a proven component that keeps the top round properly aligned for smooth feeding all the way to the last round. That anti-tilt design reduces the failures to feed that can plague magazines using older simpler follower designs. Manufactured directly by Brownells rather than outsourced this magazine reflects the company s own quality control standards from start to finish. With a 30-round capacity and mil-spec construction the Brownells AR-15 Magazine is a dependable choice for anyone building or maintaining an AR-15 pattern rifle. Brownells AR-15 Magazine Specifications Manufacturer: Brownells Model: AR-15 Magazine Caliber: 5.56 / .223 Rem Capacity: 30 Rounds Material: Aluminum Color: Tan Weight: 0.26 lbs Compatible Hosts: AR-15 Available At: GrabAGun