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10" Full Top Rail MLOK Handguard (Includes Barrel Nut & Hardware). 

Handguard is made of 6061-T6 aluminum and anodized black per mil-spec MIL-A-8625F, TYPE III, CLASS 2.  The barrel nut is 4140 PH steel.    

Full top rail + MLOK slots on 7 other sides. Includes anti-rotation tabs.  

Handguard weighs ~7 ounces.  Barrel nut and hardware weigh an additional 2.6 ounces.  

Installation: 

Use standard castle nut wrench & torque wrench.  We recommend Real Avid's castle nut tool (linked here: click here ) along with a torque wrench.

Torque barrel nut to 40-55 lbs. This is typically done 2-3 times, e.g. torque to 40-55lbs, then loosen, then torque again to 40-55lbs, then loosen, then torque to 40-55lbs one final time.

Hand tighten barrel nut/handguard screws using 1/8" hex drive. Then torque screws to 30-35 inch/lbs