The ASC® AR-15 6mm ARC 10-Round Magazine w/ Red Follower features a 300 Series stainless steel floor plate with a corrosion-resistant black oxide finish that's perfect for quick, lightning-fast mag swaps and for extra durability even in harsh environments. A chrome silicon spring and enhanced, red polymer anti-tilt follower with PTFE ensure smooth, reliable feeding and proper cartridge alignment. Constructed with heat treated, 410 series stainless steel alloy and a corrosion-resistant Black Marlube or Flat Dark Earth finish, this rifle magazine boats a high-quality build for superior strength and reliable field use. Made in USA.