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GM-B6 21.5" Gunsmith Edition 300 Blackout 1:8 twist Unfinished Barrel

Price:
$104.95
SKU:
GM-B6
Rating:
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Product Description

300 black out, 1:8 twist, 21.5" long, 41V50 steel, weighs 3.5 lbs, gunsmith edition blank, chambered in 300 blackout, chrome line bore and chamber with a phosphate extension.  


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Product Reviews

  1. Great buy! 5 Star Review

    Posted by on 30th Aug 2016

    I am very pleased with this barrel, did some minor finish work, didn't even bother to cut it, installed it on my M&P15, it worked flawlessly. I'm very pleased with the accuracy I've been able to achieve so far, and I expect it to get better as the barrel gets broke in.