300BLKOUT Upper w 8.0″ Barrel, recessed w/ JAVELIN-12″ SD M-LOK Rail


8.0″ Barrel Pistol Length Gas w/JAVELIN-12-SD MLOK Rail System, M4 Nickel Boron Extension and more.

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Forged (Nitride Premium)

  • Barrel 8″ 4150 CrMoVa (HP/MP)
  • Custom Medium Barrel Profile
  • Chambered in 300BlkOut 7.62×35
  • Premium Nitride Treatment inside and out (Barrel)
  • {Nickel Boron} M4 Extended Feed Ramps
  • Nickel Boron M4 Barrel Extension
  • 6 Groove Rifling
  • 1:7 Twist Rate
  • Pistol LENGTH Gas System with Nitride Gas Tube
  • 5/8×24 Thread Pitch
  • Tuned Gas Port
  • Target Crown
  • Nitride treated Micro Gas Block with .750 seat
  • Forged Upper Receiver
  • Hand guard type:SOT JAVELIN-12-SD-MLOK Free Floating Rail System
  • MilSpec Hard Coat Anodize
  • Shot peened and MPI tested bolt
  • NITRIDE M16 carrier with properly staked carrier key (HP/MP)
  • Forged Charging Handle
  • No Muzzle Device Included (Suppressor for Illustration ONLY)
  • Custom Barrel Profile
  • Can only be shot/ fired with a Suppressor or Barrel Extension NOT PROVIDED

SOT SOT Javelin-12″ SD 556 (M-LOK) Rail System:

The SOT (Javelin-12-SD-M-LOK)” Rail System has an overall length of 12.6″. 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 10.8oz! The Javelin-12-SD-M-LOK Provides (3) QD Sling Swivel Attachment Points in total that are integrated into the Rear of the Rail being left, right and bottom as well.

Designed to be used in with a (Micro/Low Profile Gas Block) on a (Pistol, Carbine length or Midlength 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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