ASC AR-15 / M4 / M16 Stainless Steel Magazine - 6mm ARC, Black Marlube, 10-Round ASC&';s AR-15/M4/M16 Stainless Steel 6mm ARC magazine is built to the highest standards of quality, durability, and reliability. Manufactured 100% start to finish in the USA, the body is constructed from .020-gauge 410 Series Stainless Steel Alloy that has been heat treated for superior strength and lasting endurance. Unlike polymer magazines, this stainless steel design will not swell in the heat or crack in the cold, making it an exceptionally dependable choice for shooters in all environments. The Black Marlube coating - developed directly from ASC&';s aerospace roots - is a durable, wear-in (not wear-off) finish that offers supreme performance, protection, and lubricity. The more you use it, the better it performs. With enhanced anti-tilt polymer followers, chrome silicon springs, and a corrosion-resistant floor plate, this magazine is your number-one choice for reliability, durability, and superiority. Product Highlights USA-Made Stainless Steel Construction: Built with .020-gauge 410 Series Stainless Steel Alloy, heat treated for superior strength and long-lasting endurance. Black Marlube Aerospace Coating: A durable wear-in finish derived from ASC&';s aerospace experience, providing exceptional protection, lubricity, and performance that improves with use. Temperature Resistant: Will not swell in heat or crack in cold, offering a more reliable alternative to polymer magazines in extreme conditions. Enhanced Anti-Tilt Polymer Followers with PTFE: Ensures smooth, consistent feeding and reliable performance round after round. Corrosion-Resistant Floor Plate: 300 Series stainless steel floor plate with Black Oxide coating provides added protection against wear and corrosion. Specs Brand: ASC Caliber: 6mm ARC Capacity: 10 Rounds Compatible Platform: AR-15 / M4 / M16 Body Material: 410 Series Stainless Steel, Heat Treated Spring Type: Chrome Silicon Springs Follower: Enhanced Anti-Tilt Polymer with PTFE Floor Plate: 300 Series Stainless Steel with Black Oxide Coating Finish/Coating: Black Marlube Country of Manufacture: USA MPN: ASC106MMSSBMREDASC UPC: 818805015620 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.