Complete AR15 Upper Receiver- 6MM ARC, 16" Barrel, 15" MLOK

• Barrel Length- 16"

• Barrel Material-- 41V50 Chromoly Button Rifled, Nitride

• Chamber 6MM ARC

• Twist Rate 1:7.5

• Muzzle Device- Big Hole Brake

• Extension- M4

• Gas System- Mid Length

• Gas Block- Low profile .750 Phosphate Finish

• Charging Handle- Milspec with Enhanced Large Billet Latch

• Upper Receiver- Forged 7075 T6 Aluminum, Precision Machined to M16/M4 Spec

• Handguard- 15" High Quality 6061 T6 Material Mlok with Proprietary Clamping System and Heavy-Duty Barrel Nut

• M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection

• Bolt is machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d, Type 2 6.5 bolt face

• Carrier Key Screws- T25 drive, Grade 8, Properly Heat Treated