Return to 10.5" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL - FDE
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5 of 5 November 26, 2021
: MICHAEL SYRACUSE from ALDEN, NY United States  
Outstanding customer service. Well notified about the progress of the order

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5 of 5 Great Product August 28, 2021
: Fordham Burleson from Arden, NC United States  
Great Upper, love the fit and finish, especially the ballistic advantage barrel. Product arrived super fast and in great packaging.

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5 of 5 MAS Defense June 1, 2021
: Brett Baucom from Monroe, NC United States  
I have been ordering from MAS Defense for 2 years. They never disappoint! Fast shipping and great prices.

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4 of 5 Nice Upper for the Price April 10, 2021
: Aidan from Kittery, ME United States  
Seems like a well-made upper with good components. Have not had the chance to fire it yet as I still need my BCG to come in. Brandon reached right out to me for order confirmation and shipping was quick. Overall good shopping experience but I can't speak to actual performance quite yet.

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5 of 5 Impressed March 26, 2021
: Anthony Tuggle from Huntsville, AL United States  
I was hesitant to order from a company i havent dealt with before. I am glad i did.
Super fast shipping. The item was as described and worked flawlessly. I am impressed with the quality and looks.

Will add this company as one of my "go to".

Thanks

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5 of 5 Excellent quality every time! March 9, 2021
: Martin Stevens  
3rd barreled upper i have had the pleasure of purchasing from here, as well as many other odds and ends. Still zero complaints. Great service and craftsmanship. Very very happy! Thanks!

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5 of 5 February 17, 2021
: kayla Olsen from Portland , OR United States  
Better than anticipated, would definitely buy from again.

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5 of 5 Awesome upper November 9, 2020
: Tyler Williams from Enid , OK United States  
This is my second upper from mas defense and I’m just as impressed with this one as I am the first one.

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5 of 5 AR15 barreled upper October 23, 2020
: Paul Carmona from Tucson, AZ United States  
Package came in safe, and secure packaging. I really liked that everything came assembled. And a very unique design.

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5 of 5 Great quality October 22, 2020
: Adam Overstreet from San Diego, CA United States  
This is my first upper to my first AR build, great quality and can’t wait for the other parts to come in to put it all together!

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