Spike'S Tactical Barrel 5.56NATO 16" M4 Extensions Carbine Length Ar-15 Rifles Black


Availability: In stock

  • Mil-Spec M4 Barrel Extension with MIL-STD-171 Phosphate Finish

  • MIL-STD-171 Hard Chrome Chamber

  • 1/7 Twist Rate

  • MIL-STD-171 Hard Chrome Bore

  • 5.56mm Nato chamber

  • All Chambers are Individually Checked for Head Spacing Before and After Plating

  • All Barrels are Individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI)

  • MIL-STD-171 Phosphate Finish on the Barrel Exterior

  • 1/2x28 Thread Pitch

  • Threads are Cut Concentric to the Bore

  • Uses 0.750" Gas Block

  • Weight is 28.0oz

  • MFG Paart # SB51605-M4

  • Spike's Lifetime Warranty

Product Description

Spike's Tactical Barrel, 556NATO, 16" Barrel, 1:7 Twist, Fits AR Rifles, 1/2x28 TPI Thread, Carbine, Black Finish SB51605-M4

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