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AR15 Barrel, 300 Blackout

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4150 CMV (chrome moly vanadium) steel, 1/8 twist, 300 Blackout chambered, Nitride Finish. The ADM barrel provides the durability of the best material in the family of Ordnance Grade Steels, coupled with a Nitride finish for corrosion resistance, reduced maintenance and enhanced accurate life. The barrel is hand lapped prior to finishing to provide the most consistent bore dimensions possible.

Barrels are dimpled for set screw .750 Micro Gasblocks
Weight: 10.5" Barrel- 1 lb 3 oz
Weight: 16" Barrel- 1 lb 10 oz

Manufactured by Criterion Barrels Inc.

FFL Terms and Conditions - Any items placed on the same order as a firearm/lower receiver will also be shipped to the FFL. If you would like additional items shipped to you directly, please place them on a separate order. To expedite your order, please have your dealer fax or email their FFL to us. If the dealer you are using to transfer a firearm has not sent us a currently updated FFL to put on file, there will be an extended period of time needed to process your order. Due to the high volume of orders, please allow up to two weeks for delivery of firearms. Email: