AR15 / M16 Barrel - .300 Blackout 16" Carbine 1:8 M4 Stainless

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This AR-15 Barrel is a 16" M4 profile barrel made of 416R stainless steel, a carbine length gas system with a 1:8 twist rate. The barrel is chambered in .300 Blackout and machined with .300 Blackout feed ramps in the barrel extension. Inspections include CMMs and Air Gauges for the Bores. Weight: 1.50 lb Length: 16" Profile: M4 Twist: 1:8 Finish: Stainless Material: 416R Stainless Steal Thread Pitch: 5/8x24 Caliber: .300 Blackout Gas System: Pistol Gas Block Size: 0.750