Return to 10.5" 9MM AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 12.62" M-LOK RAIL
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5 of 5 Solid AF April 5, 2023
: Roger Workman from Mint hill , NC United States  
I have used MAS defense for several build and they never disappoint!

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5 of 5 Love the products March 31, 2023
: Mike Demeo from Chehalis, WA United States  
Fast shipping, good prices and allways looks amazing

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5 of 5 10 5" 9mm ar15 barreled upper January 13, 2023
: shane wallace from Oxford, AL United States  
Great quality and solid parts. Best pre-assembled upper I've purchased.

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5 of 5 10.5”upper June 10, 2022
: Tim Buckner from Leicester, NC United States  
Great feel, looks good.

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5 of 5 Great product and great people October 20, 2020
: David from WILMINGTON, OH United States  
Very nice upper quality stuff

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5 of 5 Pcc September 13, 2020
: Nathan Coriell from New Albany , IN United States  
Very well made. Solid stuff. Will continue to buy my uppers first build from MAS.

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