The Sons of Liberty Gun Works M76 M-LOK Handguard features their new wedgelock attachment system that keeps the free float handguard locked tight against the 4140 steel barrel nut. The SOLGW M76 Handguard is machined from high quality aluminum and hardcoat anodized black. The full length picatinny top rail is great for mounting backup iron sights. Included is an M-LOK QD sling socket allowing you to position your sling however you want. The front section of the handguard has M-LOK slots at the 45deg angles to give you more options when mounting lights or other accessories.Features: Features a rugged wedgelock mounting system Machined from aluminum with hardcoat anodized finish Full length picatinny rail M-LOK slots at 45deg positions Includes 4140 Steel barrel nut and QD sling socketSons of Liberty Gun Works is a custom rifle manufacturer in the United States that specializes on the AR-15 platform. They began producing purpose-built weapons for law enforcement and civilians alike and are given a lot of praise for focusing on the details that make an AR reliable. Function over form is what their rifles are known for and they are guaranteed to get the job done. From full rifles to individual parts, you can't go wrong with SOLGW.