I've purchased 2 of these uppers from mas, I was super impressed with the attention to detail and quality. If you want a battle rifle set up this is a excellent start. Also grab a stoner 5.3oz 308 buffer with it, the combination is absolutely insane.
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0 of 0 people found the following review helpful:
.308 pistol upper
April 15, 2022
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Aaron Huch from Forest Hill, MD United States
Great product! Delivered quickly in great packaging. I cannot wait to get my build out to the range.
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1 of 1 people found the following review helpful:
12.5" .308 AR-10 BARRELED UPPER
January 18, 2022
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Alex Kari from Naugatuck, CT United States
Was looking for a shorter barreled upper in .308 or 6.5 creed. Had a lot of trouble finding one at a reasonable price. Got one from MAS in .308. Great product at a great price. Looking forward to finishing my build and hitting the range.
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1 of 1 people found the following review helpful:
The best BANG for your BUCK !
May 4, 2020
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Sergio Lomeli from Commerce , CA United States
this is by far the best 12.5" upper for my .308 build, The quality is amazing and the shipping department does a great job protecting the upper during transit. i would recommend this upper for any one looking for a short barreled upper. Mas Defense is my go-to company when it comes to quality in my AR builds
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1 of 1 people found the following review helpful:
Always pleased
April 25, 2020
:
Thomas
As usual MAS defense pulls through with quality affordable products that never cease to amaze me with the quality compared to cost I always come back
Outstanding upper 
