ASC AR-15 Magazine Features The ASC AR-15 Magazine is built from stainless steel a construction choice that resists corrosion and wear far better than many polymer alternatives especially for shooters who store loaded magazines for extended periods. Chambered in 9mm this magazine is engineered specifically for the AR-15 M-16 and M4 family of rifles configured for pistol caliber operation a popular platform for home defense range use and suppressed shooting. The 20 round capacity offers a practical middle ground between standard capacity and compact magazines giving shooters solid firepower without excessive length hanging below the magwell. An orange follower sits at the top of the stack making it easy to visually confirm when the magazine is empty or nearly empty during loading and unloading. The Marlube coating applied to this magazine provides a slick low friction surface that helps rounds feed smoothly and consistently reducing the chance of feeding malfunctions during rapid fire strings. ASC known in the industry as ASC has built a reputation as a premier manufacturer and supplier of AR-pattern magazines across a wide range of calibers including .223/5.56 6.8 SPC 6.5 Grendel .308 7.62x39 5.45x39 and 9mm. This attention to quality and the breadth of calibers supported reflects ASC s commitment to meeting demanding industry standards. For 9mm AR-pattern rifle owners who want a durable corrosion resistant magazine the ASC AR-15 Magazine is a dependable choice. ASC AR-15 Magazine Specifications Manufacturer: ASC Type: Rifle Magazine Caliber: 9mm Capacity: 20 Rounds Finish: Marlube Material: Stainless Steel Compatible Hosts: AR-15 M-16 M4 Available At: GrabAGun