CMMG AR-15 Barrel, 8″ MC 4140CM SBN, 300 Blackout

MSRP: $169.95


An accurate short barrel for .300 Blackout.

Only 1 left in stock

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A “pistol” length AR-15 barrel chambered in .300 Blackout. This AR-15 barrel is 8 inches long with a 1:7 twist, making it an excellent length for .300 Blackout, which was designed specifically for short barrels.


– Length: 8.0″, 1:7″ Twist
– Chamber: 300 BLK
– Profile: Medium Tapered Profile
– Material and Finish: 4140 CrMo, Salt Bath Nitride Finish
– Muzzle Thread: 5/8″-24 TPI
– Weight: 1.5 lbs
– Gas Port Location: Pistol
– Gas Block Size: .750″

Manufacturer's SKU: 30D810A

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Additional information

SKU: 189672

Weight1.05 lbs
Dimensions9 x 2 x 2 in


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WARNING: This product contains a chemical known to the State of California to cause cancer.

Also, drinking water and breathing heavily has been known to cause cancer by the state of California.

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