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AR-15 300 BLACKOUT 16" DIAMOND FLUTED STAINLESS STEEL BARREL 1-7. Made from 416 stainless steel hardened to 26-32 rc and stress relieved.
- 1-7 rh twist. 6 groove button rifled.
- Chambered in 300 blackout AAC.
- .750" diameter under gas block.
- Carbine length gas system
- 5/8-24 thread for muzzle device.
- Comes with barrel extension and extension pin installed. This barrel also has the gas port hole pre-drilled. Barrel extension has the M4 feedramps.
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