16″ 5.56 Mid length Upper w/ GPX-14″ Rail System

Description

(Nitride Premium)

FEATURES:

• Barrel 16″ Midlength Barrel
• Barrel Steel 4150 CMV
• Chambered in 5.56 NATO
• Nitride Treatment inside and out (Barrel)
• {Nickel Boron} M4 Extended Feed Ramps
• Nickel Boron M4 Barrel Extension
• 6 Groove rifling for increased accuracy
• 1:7 Twist Rate
• MIDLENGTH Gas System with Nitride Gas Tube
• 1/2×28 Thread Pitch
• Tuned Gas Port
• Target Crown
• Nitride treated Micro Gas Block with .750 seat
• Forged Upper
• SOT GPX-14 Rail System:
• Shot peened and MPI tested bolt
• M16 carrier with properly staked carrier key
• Forged Charging Handle
• A2 Flash Suppressor
• Custom Barrel Profile