Return to 5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL

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Second Purchase - Lifetime Customer Friday, May 5, 2023 : Adam Lawson from Thomasville, GA United States   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. Was this review helpful to you?

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Fantastic company Saturday, 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. Was this review helpful to you?

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Upper review Wednesday, December 7, 2022 : Davon Larkins from Detroit, MI United States   Upper came in time clean and flawless will shop again Was this review helpful to you?

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Awesome upper! Friday, 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 Was this review helpful to you?

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Quality/prompt Friday, 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. Was this review helpful to you?

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So Far So Good Friday, December 13, 2019 : Dean R from YORK, PA United States   Haven't fired the upper yet, but I did mount it on a lower to cycle some rounds through it using a bolt & charging handle from another 9mm upper.   Seemed to feed and eject fine. Will probably be a little while till I gather the rest of the parts needed to complete this build. Was this review helpful to you?

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Sunday, September 15, 2019 : Karl Fillings from Raeford, NC United States   Was this review helpful to you?

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Couldn’t have asked for better Sunday, January 27, 2019 : Matt Talbert from Albemarle, NC United States   I was skeptical at first but for the price of a barreled upper I couldn’t be more impressed.. I will be buyin another for my 300blk in the future. Was this review helpful to you?

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The Best!!! Wednesday, October 3, 2018 : Carolina Defensive Firearms Training from Charlotte, NC United States   Cannot beat the quality  of these uppers, MAS Defense made it exactly how I wanted it for a fantastic price!! Was this review helpful to you?