16″ Midlength Upper with GPR-12″ Rail

Description

(Nitride Premium)

FEATURES:

• Barrel 16″
• Barrel Steel 4150 CMV Milspec
• Chambered in 5.56 NATO
• Nitride Treatment inside and out (Barrel)
• {Nickel Boron} M4 Extended Feed Ramps
• Nitride 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
• Nitride Treated Micro Gas Block with .750 seat
• Forged Upper
• Hand guard type: 12.6″SOT GPR Free Floating Rail System (Full Quad)
• Shot peened and MPI tested bolt
• Nitride M16 Bolt carrier with properly staked carrier key
• Forged Charging Handle
• A2 Flash Suppressor
• Custom Barrel Profile

SOT (GPR-12)” 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-12 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 (Micro/Low Profile Gas Block) on a (Carbine length or Midlength gas system) or (Front Sight Base with Rifle gas system). This rail system gives the user a more ” rigid” way to mount various accessories available to their AR15 platform. See more..