14.5″ Upper w/ GPR-14″ Rail System & Micro Brake

Description

NITRIDE PREMIUM 14.5″ Rifle Upper w/ M4 Nickel Boron Barrel Extension:

• Barrel 4150 CrMoVa  (NATO Chamber)
• 14.5″ Nitride Treated Barrel (inside & out)
• Midlength Gas System
• 1:7 Twist Rate
• 1/2 x28 Thread Pitch
• Nickel Boron M4 Barrel Extension with Extended Feed Ramps
• Nitride M16 Bolt Carrier Group w/Logo (properly staked w/Grade 8 hardware)
• Nitride Gas Tube (Nitride Treated)
• Nitride Micro Gas Block .750 (Nitride Treated)
• GPR-14″ Free Floating Rail System
• Ejection Door
• Milspec Forward Assist
• Forged Charging Handle
• SOT Micro Brake (Nitride Treated)

(SOT) GPR-14″ Rail System:

Our enhanced features include a  machined one piece aluminum extruded rail which is much stronger and more rigid than 2 piece rail systems. The GPR-14 Provides (8) Sling Swivel Attachment Points; (2)  Front, (2) in the Middle,  and (4) Rear that are integrated into both the left and right side.

Designed to be used in with a Low Profile Gas Block on a Carbine,Midlength or Rifle length gas system. This rail system gives the user a more ” rigid” way to mount various accessories available to their AR15 platform. See more..