10.5″ Upper w/ 11″ Disintegrator Rail System & Buzzsaw


10.5″ Pistol Upper, w/ 11″ DISINTEGRATOR Rail System, M4 Nickel Boron Extension with Titanium Buzzsaw Linear Compensator and More!



NITRIDE PREMIUM 10.5″ Pistol Upper w/ M4 Nickel Boron Barrel Extension:

  • Barrel 4150 CrMoVa  (NATO Chamber)
  • 10.5″ Nitride Treated Barrel (inside & out)
  • Carbine 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)
  • 11″ DISINTEGRATOR Free Floating Rail System
  • SI Polymer Ejection Door
  • Forged Charging Handle
  • Buzzsaw Titanium Linear Compensator

(SOT) DISINTEGRATOR-11″ Rail System:

The (SOT) DISINTEGRATOR-11″ Rail System has an overall length of 11″

Our enhanced features include a machined extrusion from a one piece aluminum rail which is much stronger and more rigid than 2 piece Rail Systems.

Designed to be used in with a FRONT SIGHT BASE on a carbine length gas system. This rail system gives the user a more ” rigid” way to mount various accessories available to their AR15 platform. See more..

Additional information

Weight 5.0 lbs
Dimensions 22 × 4 × 4 in


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