8" Pistol Upper W/ Javelin 8.5" SD Rail

8″ (300-BlkOut) Upper w/ JAVELIN-8.5″ SD M-LOK Rail System (Buzzsaw 2.0)


300-BlkOut (NITRIDE PREMIUM) (NFA/Pistol)
8″ Pistol Upper, w/ JAVELIN-8.5-SD″Rail System, Titanium Buzzsaw, Dust Cover, M4 Nickel Boron Extension, Complete Nitride Gas System and More!

In stock



NITRIDE PREMIUM 8″ BlkOut Pistol Upper w/ M4 Nickel Boron Barrel Extension:

  • 8″ Barrel 4150 CrMoVa  (300 BLKOUT Chamber 7.62×35 Chamber)
  • Nitride Treated Barrel (inside & out)
  • 1:7 Twist Rate
  • 5/8×24 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-8.5-SD M-LOK Free Floating Rail System
  • Forged Charging Handle
  • Titanium Buzzsaw 2.0 (Linear Compensator) Cerakote (Blk) 5/8×24 Thread Pitch
  • Dust Cover (included)

SOT Javelin-8.5-SD″ (M-LOK) Rail System:

The SOT (Javelin-8-M-LOK)}” Rail System has an overall length of 8.5″. 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 with aggressive good looks as well as being tough enough to handle any mission all while weighing in at only 8.1oz.! The Javelin-8.5 SD M-LOK } Provides (3) Sling Swivel Attachment Points in total; (3) QD points on the Rear that are integrated into the left, right and bottom of the rail.

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


There are no reviews yet.

Be the first to review “8″ (300-BlkOut) Upper w/ JAVELIN-8.5″ SD M-LOK Rail System (Buzzsaw 2.0)”