5.9" Upper w/ Javelin 7" Rail and Buzzsaw Linear Compensator

5.9″ Upper w/ JAVELIN-7 M-LOK Rail System (Buzzsaw 2.0) (556)


5.9″ Pistol Upper, w/ JAVELIN-7″Rail System, Titanium Buzzsaw, SI Dust Cover, M4 Nickel Boron Extension, Complete Nitride Gas System and More!

In stock



NITRIDE PREMIUM 5.9″ Pistol Upper w/ M4 Nickel Boron Barrel Extension:

  • 5.9″ Barrel 4150 CrMoVa  (5.56 NATO Chamber)
  • Nitride Treated Barrel (inside & out)
  • 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)
  • JAVELIN-7 M-LOK Free Floating Rail System
  • Forged Charging Handle
  • Titanium Buzzsaw 2.0 (Linear Compensator) Cerakote (Blk) 1/2×28 Thread Pitch
  • SI Polymer Dust Cover (included)

SOT Javelin-7″ (M-LOK) Rail System:

The SOT (Javelin-7″ M-LOK) Rail System has an overall length of 7.25″. It is  a cutting edge, highly refined rail system that blends state of the art custom precision CNC machining along with ultra aggressive Stealth like design. The Javelin is machined out of a one piece billet aluminum extruded rail which is much stronger and more rigid than 2 piece rail systems. The Javelin series boasts aggressive good looks as well as being tough enough to handle any mission all while weighing in at only 6.3 oz.! The Javelin-7 M-LOK Provides (6) Sling Swivel Attachment Points in total; (3) Front (QD points) that are integrated into the left, right and bottom as well as(3) QD points on the Rear that are integrated into the left, right and bottom as well.

Designed to be used in with a (Micro/Low Profile Gas Block) on a (Pistol) or with a (Front Sight Base) on Carbine length gas system). This rail system gives the user a light weight more ”rigid” and modular way to mount accessories to their AR15. See more..


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