.300BLK Combat Barrels


Our .300 Blackout Combat barrels are available in multiple lengths to choose from.  9″, 10.5″, and 13.9″ (which reaches 16″ OAL with a number of muzzle device options).

All are Pistol Length gas system, deeply dimpled for a secure gas block installation, and QPQ finished inside and out for maximum corrosion resistance.


300 AAC Blackout Chamber
4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
1/7 Twist Six Groove
5/8×24 Threaded Muzzle
.750″ Gas Block Journal
QPQ Corrosion Resistant Finish
QPQ coated M4 Feed Ramp Extension

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