Bowden Tactical AR-15 Cornerstone Series 7 Inch Full Flat Top Handguard

Bowden Tactical AR-15 Cornerstone Series 7 Inch Full Flat Top Handguard. AR-15 Cornerstone series competition rail handguard in black hard coat anodize. Barrel nut torque spec is 40 to 60 lbs. No timing of gas tube allows for a lower than mil-spec setting; handguard clamp screws torque setting is 32 inch-lbs or about 1/4 turn past snug with a long-handled Allen wrench. Standards come with a full-length Picatinny rail the whole length of the rail. The AR-chitect Cornerstone Series handguards are designed to be slim and light. A low-cost alternative to foreign-sourced handguards. American-made quality. Overall width is 1.5 inches. Weight for the 15 inch model is 9.5 oz. The 1.3 inch inner diameter will accommodate most low-profile gas blocks. M-LOK slots at 3, 6 and 9 positions are MAGPUL-standard to ensure proper fit with MAGPUL certified accessories. Comes with a 4140 pre-heat treated steel barrel nut that is black-nitride coated. A 2 inch barrel-nut provides rigid mounting. Not compatible with piston-driven rifles. Made in America from 6061-T6 aluminum. Available in hard-coat black anodize or bright finish. Hard-coat anodized in accordance with MIL-A-8625 Type III Class II. 100% warranty against manufacturer defects.