Return to 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL - FDE

Sort By:: Most Helpful Newest Rating: High to Low Rating: Low to High	Page of 1

0 of 0 people found the following review helpful:

Amazing products and services November 29, 2023 : Drew   Have had this upper for 3 years now and I couldn’t be happier. Fit was perfect and the ballistic advantage barrel is extremely accurate and tough. Have ran more than 5000 rounds through it and it still holds up. Even under extreme fire rate. Was this review helpful to you?

0 of 0 people found the following review helpful:

Very nice April 14, 2023 : Kevin P.   Very nice upper. Fit and finish is excellent. We’ll see how it holds up in the long run but for now I’m very impressed Was this review helpful to you?

0 of 0 people found the following review helpful:

300 blackout upper August 11, 2022 : Matt from New Port Richey, FL United States   Order came fast, product is great. Thank you. Was this review helpful to you?

0 of 0 people found the following review helpful:

As ordered February 12, 2022 : Todd from Springfield, OR United States   Very nice complete upper.  Anxious to shoot.  Very satisfied. Was this review helpful to you?

1 of 1 people found the following review helpful:

barreled upper March 9, 2021 : Lucas Thomison from Hutto, TX United States   This barreled upper was exactly what I wanted. Just finding it available was enough to buy it but it is also very nice. the FDE ceracoat is an almost perfect match to my Aero lower in color and the fitment to the lower is perfect, there is no "slop" between the two receivers. I only got to run a few magazines thru it thus far but it is as accurate and functional as I hoped. 10.5" 300 BLK is no distance champ but at 100 yards I was spot on. Now I just need to find some more ammo so I can keep using it. Was this review helpful to you?

0 of 0 people found the following review helpful:

great experience February 8, 2021 : Josh Nguyen from Charleston, AR United States   First time ordering from Mas Defense and it was a great experience. The upper came in super fast and i couldnt have been any happier with the product! Was this review helpful to you?

0 of 0 people found the following review helpful:

Phenomenal upper. January 25, 2021 : Daniel S. from Ofallon, MO United States   This was a great upper, including the price.  Fit perfectly with my BCM lower and trigger assembly. Definitely buying more. Was this review helpful to you?

0 of 0 people found the following review helpful:

July 17, 2020 : Tige Froehlich from Guyton, GA United States   Great service Was this review helpful to you?

0 of 0 people found the following review helpful:

Love This Company! December 13, 2018 : Jimmy Echols from Odessa, TX United States   This was my second upper from MAS Defense. I like the quality of their product and have recommended them to all of my friends,  Thanks! Was this review helpful to you?