CMMG AR-15 300 AAC Blackout 8" Barrel Sub-Assembly - Nitride

The CMMG 8.0-inch MT Barrel Sub-Assembly is an AR-15 barrel component chambered in 300 AAC Blackout/Whisper (7.62x35mm), also known as 300 BLK. It is intended for building a custom AR-15 upper receiver group, with an 8 in length, pistol-length gas-port location, and CMMG MT medium-taper profile.

Built from 4140 chrome-moly steel, the barrel has a black salt-bath nitride finish inside and out. It uses a 1:7 twist rate, a .750 in gas-block journal, and 5/8x24 muzzle threads for compatible muzzle devices. The assembly includes a properly installed M4 barrel extension and is factory headspaced.

This barrel sub-assembly weighs 1.3 lb and has no sights. A receiver, bolt carrier group, gas block, gas tube, handguard, muzzle device, and sights are not included.

Offered in New condition.

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