The Lantac SPADA Handguard is machined from 6005A-T6 Aluminum and given a Type 3 Anodized Hardcoat with Class2 Deep Black Finish. It features a full-length Picatinny rail at the 12 o'clock position with M-Lok attachment points at the 3, 6, and 9 o'clock positions. The patented Anti Slip & Anti Rotation system, strengthens the handguard in the receiver end area and allows strong clamping onto the barrel nut. Handguard cannot be removed from the barrel nut without removing all three fixing screws. Comes with all neccessary mounting hardware. Lantac SPADA-ML 15" Freefloat Rail Lightweight 01-HG-015-SPADA-ML