16″ Midlength Upper w/ SOTAAR-12″ M-LOK Rail


16″ Midlength Upper with Ultra Light 12.6″ SOTAAR M-LOK Rail System, M4 Nickel Boron Extension and more!

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Forged (Nitride Premium)

  • Barrel 16″ (HP/MP)
  • 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
  • (Nitride Gas Tube)
  • 1/2×28 Thread Pitch
  • Tuned Gas Port
  • Target Crown
  • Nitride Treated Micro/Low Profile Gas Block with .750 seat
  • Forged Upper Receiver
  • Hand guard type: 12.6″SOT SOTAAR-M-LOK Ultra Light Free Floating Rail System
  • Shot peened and MPI tested bolt
  • NITRIDE M16 carrier with properly staked carrier key (HP/MP)
  • Forged Charging Handle
  • A2 Flash Hider
  • Custom Barrel Profile

SOT SOTAAR-12″ (M-LOK) Rail System:

The SOT (SOTAAR-12-M-LOK)” Rail System has an overall length of 12.6″; It’s newly refined features include a machined single one piece billet aluminum extruded rail which is much stronger and more rigid than 2 piece rail systems. The SOTAAR-12 Provides (2) Sling Swivel Attachment Points that is integrated and located on the bottom.

Designed to be used in with a (Micro/Low Profile Gas Block) on a (Carbine length or Midlength gas system) or with a (Front Sight Base with Rifle gas system). This rail system gives the user an ultra light but robustly strong and rigid way to mount various accessories available to their AR15 platform. See more..


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