These unique forearms feature rails on the muzzle end of the forearm at the 3, 6, and 9 O'clock Position, and an extended top rail for gap-free installation, “T” marked rails to mark AR-15 accessory locations. The forearms and barrel nuts are made of stainless steel. The SLR clamp is made out of 6061-T6 Aluminum.  Assemblies include: Barrel Nut, SLR clamp, SLR wrench, and the SLR forearm itself.  Overall Length 10.9 Inches. Weight 14.08 oz. 1.306" internal diameter

ALL NECESSARY TOOLS INCLUDED!