10.5" Carbine Upper W/ Firestorm 10" Rail System

10.5″ Carbine Upper with FIRESTORM-10″ M-LOK Rail


10.5″ Forged Upper with FIRESTORM-10-M-LOK Rail System, M4 Nickel Boron Extension and more!

In stock


Forged (Nitride Premium) Upper

  • Barrel 10.5″ 4150 CrMoVa (NATO Chamber)(HP/MP)
  • Barrel Nitride Treated (inside & out)
  • 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
  • 1:7 Twist Rate
  • Carbine Gas System
  • Nitride Gas Tube
  • 1/2×28 Thread Pitch
  • Tuned Gas Port
  • Nitride Treated Micro Gas Block with .750 seat
  • Forged Upper Receiver
  • Hand Guard Type: SOT FIRESTORM-10-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 (Nitride Treated)
  • Government Barrel Profile

SOT FIRESTORM-10″ (M-LOK) Rail System:

The SOT (Firestorm-10-M-LOK)” Rail System has an overall length of 10″. It’s Incredibly light weight! Weighing in at only 5.8 ounces!! The Firestorm is our newest cutting edge, highly refined rail system that blends state of the art custom precision CNC machining along with Ultra Sleek Stealth like design. This is not a flimsy rail! The Firestorm is machined out of a one piece billet aluminum extruded rail which is much stronger and more rigid than 2 piece rail systems. The Firestorm series boasts with sleek aggressive good looks as well as being tough enough to handle any mission all while weighing in at only 5.8 oz.! The Firestorm-10 M-LOK Provides (5) Sling Swivel Attachment Points in total; (2) Front (QD points) that are integrated into the left, right as well as(3) QD points on the Rear that are integrated into the left, right and bottom as well.

he FIRESTORM-10 is designed to be used in with a (Micro/Low Profile Gas Block) on a (Pistol, Carbine, or Midlength gas systm. This rail system gives the user an incredibly light weight more “rigid” and modular way to mount accessories to their AR15. See more..


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