BATTLEARMS™ 300BLK 4150CM 5R Nitride Barrel

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BATTLEARMS™ 300BLK BARREL, 5R RIFLING, 4150CM, QPQ NITRIDE, CARBINE GAS

  • MATERIAL: 4150 CHROME MOLLY STEEL
  • INSPECTION: MAGNETIC PARTICLE INSPECTED
  • RIFLING:5R RIFLING
  • FINISH: SALT BATH QPQ NITRIDE (INSIDE & OUTSIDE)
  • CALIBER: 300BLK AAC
  • CROWN: 11 DEG TARGET CROWN
  • TWIST RATE: 1:8 RH TWIST
  • LENGTHS: 16in, 10.5in, 7.5in
  • GAS SYSTEM: 16in CARBINE LENGTH, 10.5 and 7.5 PISTOL LENGTH
  • MUZZLE THREAD: 5/8-24;
  • GAS BLOCK DIAMETER: .750in
  • GAS BLOCK JOURNAL LENGTH: 1.1in
  • GAS PORT DIAMETER: 16in .119in, 10.5in .080, 7.5in .080
  • BARREL EXTENSION: M4
  • WEIGHT: 16in 1 lb 12.7oz, 10.5in 1 lb 3.6oz, 7.5in 15.3oz
  • HEAT TREAT:DOUBLE HEAT TREAT STRESS RELIEVED
  • MULTI-POINT QUALITY CONTROL INSPECTION
  • MADE IN U.S.A.
  • ALL NFA RULES APPLY
  • Notes:  (1.) Gas Block and Gas Tube not included.  (2.) Gas Port Diameter may need to be opened up pending on final weapon configuration in super/sub sonic, suppressed/unsuppressed, mil-spec carbine buffer/VERT buffer system, ammunition type, etc.