Samson SX-ML-7 M-LOK SX AR-15 6061-T6 Aluminum Black Hard Coat Anodized 7 in

The Samson M-LOK SX Series features a free-floating rail system and the sleek profile creates a comfortable feel to a wide range of shooters, regardless of your application. The SX system creates a solid extension of the upper receiver with the benefits of rapid and easy installation thanks to the pre-installed, captured clamping system and Samson barrel nut. Included is a QD swivel, hex wrench, and barrel nut wrench.