8.0″ 300 Blackout Upper w/ recessed barrel w/ JAVELIN™ 14″ SD M-LOK Rail

Description

Forged Nitride Premium 300 Blkout upper

• 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™ 14″ SD-M LOK Free Floating Rail System
• Inside Diameter: 1.601 inches SUPPRESSORS 1.57″ and smaller Diameter will fit
• Cerakote: Graphite Black
• 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-14″ SD 556 (M-LOK) Rail System: