Upgrade your rifle with the M-LOK ARCA Rail. It easily installs via M-LOK interface, and allows your rifle/chassis system to be securely attached to bipod/tripod with an ARCA mount. It features a rearward overhang, allowing your rifle to be mounted closer to the rifle’s center of gravity, and is outfitted with a solid M-LOK boss to withstand repeated recoil. The M-LOK ARCA Rail is made from durable 6061-T6 aluminum for maximum strength without adding any unnecessary weight, and features rounded edges to reduce the risk of snagging on loose clothing/equipment. Available Lengths:3.3"7"8.6" MDT M LOK 3.3" Blk ARCA Rail 103416-BLK