New in Box FTF in Olathe NEW M-LOK? Handguards for the AR15/M4 Platforms. Easy Drop-In install, no special gunsmithing involved, fit into Delta Ring and front Handguard Cap. Remove factory handguard, drop in the M-LOK? handguards and use supplied screws to secure M-LOK? handguard in place. Solid fit, top rail is at receiver height and extends over Delta ring to the edge of the receiver. Handguard has 7 angle surfaces of M-LOK? slots. Black Anodized Aluminum Construction This model fits: Carbine Length Gas Systems Includes two Accessory M-LOK? to Picatinny Rail Sections. One Short (1? M-LOK? slots/ 5 slot Picatinny) and one Medium Length (2? M-LOK? slots/ 9 slot Picatinny) Picatinny Rail sections. They can be placed in any of the 7 angled M-LOK? surfaces. Designed to fit AR15/M4s with: MIL-SPEC Barrel Nut, Delta Ring, and front Handguard Cap. Length: 7.5' Weight: 5.9 oz. / 8.0 oz. with both accessory rails attached