The Barrett 12808 M107A1 Factory Magazine delivers unparalleled performance and durability, designed specifically for the M107A1 series of rifles. Engineered with an anti-tilt follower and a high-quality chrome silicone spring, this magazine ensures reliability under various conditions. Its 10-round capacity, along with witness marks for round counting, makes it an essential accessory for any serious marksman. Steel Construction No-tip Follower Chrome Silicon Spring Upgrade your shooting experience with this reliable and robust magazine.