Return to 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL
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  0 of 0 people found the following review helpful:
 
5 of 5 Solid upper October 8, 2022
: James  
Looks great, shipped quickly. Haven’t put any rounds through it yet.

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4 of 5 9” 300blk upper July 25, 2022
: Xavier S. from IA, United States  
Only have 200 rounds through it but it ran great out in the heat. Ran 60 rounds in a mag dump/ how fast can it go type drill, then the other 140 were at various speeds. Didn’t blow gas everywhere like other uppers I’ve used.

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5 of 5 I love this 300 blackout upper August 3, 2021
: Brian Kliem from Spring, TX United States  
This is my first build for my ar-15 300 blackout. After looking through many different companies who offer uppers for AR-15s I found this brand to be one of the best. Beautiful design gives me everything that I need in an upper it gives me everything that I need to customize to my liking. I will be ordering again because now want to build a rifle. Thank you so much for an easy process in my build. Plus anything and everything that I would need for my AR-15 or any build I can find on here.


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4 of 5 Good Not Great April 30, 2021
: Frank Robinson from Pahrump, NV United States  
This is a nice upper but the finish is not great. Hand guard has a factory blemish. I have not used it yet. Hope it shoots great. Time will tell.
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MAS Defense Reply: Robert, I apologize for the issue. We have a very good quality control process where 2 employees review every part before it leaves our facility. We strive for perfection but unfortunately we are human and do make mistakes from time to time. With that said, someone should have caught the blemish on the handguard before it shipped out. We emailed you and will make this right!
Thank you for your business and your feedback!

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5 of 5 Fast shipping July 29, 2020
: David Coon from Port Angeles, WA United States  
everything looks great.  Shipping was extremely fast for the impatient shopper. Can't wait to get to the range

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5 of 5 July 12, 2020
: John Barker from Mooresville, NC United States  
Fast shipping. Excellent product !

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5 of 5 Great quality. First purchase July 9, 2020
: Seth Pace from Knoxville, TN United States  
Item arrived years faster than PSA equipment ever does. Very pleased with the quality of the piece. Eager to get my pistol built with this hardware.

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5 of 5 Great July 1, 2020
: from LITTLESTOWN, PA United States  
Everything was great. Fast shipping and really well made parts.

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5 of 5 June 27, 2020
: Andrew Herman from Rensselaer , NY United States  


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5 of 5 Love it June 26, 2020
: Chris Melton from Edneyville , NC United States  
This was better than expected!

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