The Samson M-LOK® SX Series features a free-floating rail system. It is the latest addition to the Samson line of AR-15 upgrades. Its 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.
Includes: Hex wrench and barrel nut wrench.