Upgrade your AR-15 with the BCM KMR Alpha KeyMod Rail, meticulously crafted from aluminum and finished with a durable hardcoat anodization for superior corrosion resistance. This free-floating rail system is designed to complement standard picatinny setups, offering versatility with four offset mounting positions at 3, 6, 9, and 12 o'clock. Included is a BCM KeyMod sling mount, enhancing customization options. Finished in sleek black, this model measures 7.39 inches in length, perfect for optimizing your firearm's performance and modularity.