SLR inch SOLO Ultra Lite M-LOK .308 High Profile Handguard Black. 4 inch Inner Diameter. DPMS High Profile. Mil-Spec Hardcoat Anodize. 7075 Barrel nut w/Hardcoat Anodize. Free Floating Design. 2 QD swivel sockets. MLOK at 3 6 and 9 o'clock. Dual Wedge mounting system. Billet Anti Rotation Insert. Anti Slip Design. Barrel nut wrench INCLUDED. Mil-Spec 1913 Mounting rails. Included Accessories: Barrel Nut Barrel Nut Wrench Hardware Specifications for SLR SOLO Ultra Lite M-LOK .308 High Profile Handguard: Manufacturer: SLR Color: Black Finish: Melonite Gun Make: AR Platform Gun Model: AR-10 Gun Type: Rifle Gun Rail: Picatinny Included Accessories: Anti-rotation Insert Wedge Set Barrel Nut Mount Type: M-LOK Quantity: 1 Features of SLR SOLO Ultra Lite M-LOK .308 High Profile Handguard: 1.4 inch Inner Diameter. DPMS High Profile. Mil-Spec Hardcoat Anodize. 7075 Barrel nut w/Hardcoat Anodize. Free Floating Design. 2 QD swivel sockets. MLOK at 3 6 and 9 o'clock. Dual Wedge mounting system. Billet Anti Rotation Insert. Anti Slip Design. Barrel nut wrench INCLUDED. Mil-Spec 1913 Mounting rails. Included Accessories: Barrel Nut Barrel Nut Wrench Hardware Package Contents: SLR SOLO Ultra Lite M-LOK .308 High Profile Handguard SLR 308H-SOLO13.94ML-UL: 13.94 inch SOLO Ultra Lite M-LOK .308 High Profile Handguard Black