SHARPS BROS AR-15 ULTRA LITE MLOK HANDGUARD

Made of 6061-T6 aluminum and anodized black per mil-spec MIL-A-8625F, TYPE III, CLASS 2.  (Includes Barrel Nut & Hardware). 15" - Hand guard weighs 9.8 ounces.  Barrel nut and hardware weigh an additional 1.3 ounces.   13.7" - Hand guard weighs 9.1 ounces.  Barrel nut and hardware weigh 1.3 ounces.  10" - Hand guard weighs 6.9 ounces.  Barrel nut and hardware weigh an additional 1.3 ounces.   7" - Hand guard weighs 5.4 ounces.  Barrel nut and hardware weigh and additional 1.3 ounces.   ** Use Barrel Nut Wrench Tool - 1-3/16 for installation ** Installation: barrel nut torque range 35-40 ft/lbs.  Screws range from 30-35 inch/lbs