Return to 16" 5.56 / .223 1x8 GOVT 4150 CrMoV MELONITE NITRIDE BARREL - MID LENGTH GAS
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5 of 5 so far so good April 8, 2018
: Kennard M  
Very solid barrel. Locks up well into the upper receiver, gas block journal machined correctly requiring no shims for proper fit on the gas block (also from MAS), and the extension is properly installed. Groups well with M855, I'd need to put some proper glass on it to say exactly how well, but I've had no issues on an 8 inch target at 200 with a red dot. Gassed to still run reliable in sub-zero, even with TULA (YMMV depending on buffer weight and bolt carrier). The only thing I would add is dimpling on the underside of the gas block journal, but that's more of a convenience for assembling the upper, not something that's a NEED. TL:DR, you could spend a lot more for a combat/tactical barrel and come up with a worse barrel.

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5 of 5 Good looking barrel October 31, 2017
: Brett G  
Just got this barrel in and it looks great out the box. Haven't had a chance to install and shoot it yet but for the price it looks really nice. It had exactly all the specs I was looking for: 16", 1:8 twist, , mid-length gas port, nitride salt bath. And really good price too. Honestly can't beat the price or even come close anywhere else. If it shoots good, I know where I'm coming for all my future builds.

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5 of 5 Great Product April 5, 2017
: James M  
This is not the first barrel I have ordered from MAS and it will not be the last. Great quality, fast shipping, and secure packaging. Have put approx. 100 rounds through the 16 inch Gov't Profile1/8 Twist Barrel and it runs smoothly with no concerns on accuracy. I will definitely order from MAS for my next build.

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5 of 5 AR-15 parts July 5, 2016
: Roy B  
great company great parts Thanks MAS!!

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5 of 5 Flawless April 30, 2016
: Chris D  
I was holding out for a mid length 1-8 twist. The melonite treatment was just icing on the cake. Fit to my upper was perfect. The finish is superb. On inspection bore scope showed a clean shimmering bore. (Are you guys sure this wasn't lapped?) After mounting scope first 3 round group was .75moa. Wanted to do this build myself from the ground up but after reviewing the MAS site I could have had them send me a complete upper and still had money left for mags and ammo. I would highly recommend these barrels to anyone. A great barrel at an affordable price. All future builds will wear MAS barrels. Not one to write reviews I'm going to throw the steel melonite low profile gas block in as well. Slim slick and again perfect. Ordered on a saturd, received on Thursd. Thanks guys for a truly superior product. Keep up the good work.

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5 of 5 awesome March 26, 2016
: Donald P  
fit perfect on my build. have shot 75-80 rounds through it. groups well. mid-length gas makes for a smooth shot. looks great too!

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5 of 5 Best "bang" for your buck! February 25, 2015
: Daniel H  
Seriously can't beat the quality for this price! Everybody was telling me oh don't go cheap when buying your barrel but they were wrong! This barrel looks great, fits great, and is also as accurate as any more expensive barrel.

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4 of 5 Nice barrel December 24, 2014
: Jade P  
Seems quite accurate.

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5 of 5 Perfect December 24, 2014
: Dustin P  
Amazing barrel, allows for safe usage of 45-65 grain rounds with little difference in accuracy.

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