Get everything you need to clean and maintain your rifle from Breakthrough Clean!

.300 Blackout Modern Series

Our Modern Series Barrels are machined from 4150 Chrome Moly Vanadium Steel and feature a QPQ Corrosion Resistant Finish and QPQ Coated M4 Feed Ramp Extension. Upgrade with one of our .300 Blackout Performance Series Barrels or .300 Blackout Premium Series Barrels.

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