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300 blackout, 300 blackout upper, 300 blackout vs 556
  • Sgt of Arms 300 Blackout Match Grade Barrel with Bolt

    Sgt of Arms .300 blackout barrels are match grade, hand cut, profiled and chambered barrels. Sgt of Arms barrels are manufactured to extreme tolerances for superior performance and optimal fit of components. These barrels are the cutting edge of accuracy for you next rifle build. These barrels are what we consider to be the best AR barrel on the market for precision shooting. These barrels continue to perform at very high levels on national, regional and local matches in the PRS (Precision Rifle Series) series. If you are looking for a competition barrel or a long range hunting barrel for the AR 15 platform this is the answer.


    • 416R Stainless Steel
    • Button Rifling
    • Hand Lapped
    • 16"
    • 1-8 twist
    • .750 gas block
    • Pistol Length gas length
    • Headspaced Sgt of Arms bolt

    ** If you want a special length that is not listed send us a message and we will get you taken care of.

    Sgt of Arms barrel lead times are 20+ weeks as they are custom made to order.

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