Return to 7.5" 300 BLACKOUT 1x7 4150 CrMoV MELONITE NITRIDE AR-15 BARREL
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5 of 5 Barrel May 5, 2022
: Dom  
Great products every time!

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5 of 5 Dropped right in and light March 5, 2022
: from Hoolehua, HI United States  


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5 of 5 Blackout Pistol Barrel a must January 20, 2022
: DENNIS L from Cumming, GA United States  
Ordered a 7.5" Blackout barrel for a pistol build.  Not only did it arrive fast, but fit exactly as I wanted, and performs as expected.  Great finish.  Seamless fit with my gas block.  If you're planning a build, MAS Defense parts won't let you down.

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5 of 5 .300 Barrel February 20, 2019
: Lucien Morin from Indian Trail, NC United States  
Great Barrels!

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5 of 5 Havent used it yet... December 8, 2018
: Randy Burke from Elk, WA United States  
Haven't built the 300BLK yet, but MAS had a helluva good deal and fast shipping like usual! Previous barrels all performed well without a hitch!

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  0 of null people found the following review helpful:
 
5 of 5 Excellent barrel for the price! July 23, 2018
: John B.  
Fantastic quality and excellent workmanship. This is an excellent barrel for the price. Made my pistol build so much nicer!

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