AR-300BLK/300AAC 16" Inch Carbine Length Barrel 1:8 Twist Black Nitride Finish (Made in USA)
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Features:
- Length: 16"
- .300 BLK (AAC Blackout)
- 1:8 Twist
- .750" gas block diameter
- Pistol gas system with a 0.125" gas hole diameter
- 5/8"x24 Thread Pitch
- 4140 gun quality steel, heat treated to RC 28-32 hardness, stress relieved.
- Black Nitride Finish
- Made in the U.S.A.
- Fits: AR-15
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