I first bought from MAS when I wanted to shorten my work gun. After loving that purchase, I came back for my first build. As soon as I clicked off safe on the range, I knew I'd made the right decision. Everything that comes from here is quality, so you won't be disappointed. I'll definitely be coming back for future needs.
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Fantastic company
February 25, 2023
:
Elias Gonzalez from Nampa, ID United States
Everything was fantastic from how fast my upper shipped to the quality of everything. Will order again.
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Upper review
December 7, 2022
:
Davon Larkins from Detroit, MI United States
Upper came in time clean and flawless will shop again
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Awesome upper!
December 10, 2021
:
Nicholas Golden from Columbia, SC United States
It was looks and runs even better than I expected. The laser engravings make it stand out even more
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Quality/prompt
April 10, 2020
:
Chris Rammage from Arlington, WA United States
As I have not finished build I can't say anything about functionality but after a detailed inspection the upper I ordered looks to be very good quality. Also it shipped very fast, I had it in about a week. Fantastic for the situation we find ourselves in right now. I will be ordering from them again.
Second Purchase - Lifetime Customer 
