16″ Midlength Upper w/ GPX-12″ Rail

Description

(Nitride Premium)

FEATURES:

• Barrel 16″
• Barrel Steel 4150 CMV
• Chambered in 5.56 NATO
• Premium 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
• Hand guard type: SOT GPX-12.6″ Free Floating Rail System (Milled Sides)
• 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 12″ GPX Rail System:

The SOT (GPX-12)” Rail System has an overall length of 12.6″; Enhanced features include a machined one piece aluminum extruded rail which is much stronger and more rigid than 2 piece rail systems. The GPX-12 Provides (6) Sling Swivel Attachment Points; (2) Front, and (4) Rear that are integrated into both the left and right sides.

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..