Return to 16" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL - MID LENGTH GAS

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Mas defense 16” upper September 2, 2021 : Joshua Miller from Mesa, AZ United States   Quick shipping Clean products Was this review helpful to you?

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Great fit and finish. January 21, 2021 : Erick from GA   Haven't shot or grouped this upper, but the build quality is great. Surprisingly quick build time and delivery. Very quick, especially for today's market. Nero rail is amazing imo Thanks! Was this review helpful to you?

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Flawless January 20, 2021 : Andrew from Richmond, VA   Absolutely fantastic Upper. On initial breakdown, the hand guard itself is lightweight and very sturdy, the upper receiver well assembled and perfectly aligned gas block. This runs flawlessly with the mid length has and BA barrel. MAS has built an affordable  and well crafted upper that competes with some of my top end rifles. Cant wait to purchase my next from them! Keep up the great work guys! Was this review helpful to you?

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16” mid upper GTG January 17, 2021 : from Bristow , VA United States   Great fit and finish, accurate barrel. Would be a good price even pre-craziness. Just hoping to catch the 18” version in stock soon as well! Was this review helpful to you?

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Barreled upper January 15, 2021 : from Rock Hill, SC United States   Going to go shoot this weekend and if this upper shoots like the other barrel and assembled upper I have gotten from MAS I’ll be beyond satisfied. Everything on MAS’s part was great, fair pricing(especially in today’s times), excellent assembly, test firing, and GETTING IT TO THE POST OFFICE time frame. The post office on the other hand had it held up for almost 6 days(which still isn’t terrible but not great given the distance it had to go) when it literally had to come 45 minutes down the road to be delivered. I know that’s out of MAS’s hands at that point so they can’t be falted for that. Just if you have another option besides usps at the moment it might be worth looking into as long as it wouldn’t cost a arm and a leg. Was this review helpful to you?

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16" 5.56 / .223 AR-15 BARRELED UPPER December 30, 2020 : Ratboy from TX United States   Well made and put together.    An excellent receiver, Thank you Was this review helpful to you?

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Great shopping experience December 30, 2020 : from Kansas, United States   Great upper for a low price. Nice to customize as well. Fast shipping and received exactly what I ordered. Will buy from Mas again. Was this review helpful to you?

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5.56, 1:7, 16" upper & forend December 30, 2020 : John F12 from Saint Marys, GA United States   Never upset w/ MAS Def products!!!  Shipping was fast.  Fit/Finish is awesome again.  Needed upper for a lower in the event Politics suck more than usual for 2A.  Regardless, MAS Def for the win... Was this review helpful to you?

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Excellent December 29, 2020 : Justin Tryba from East Windsor , NJ United States   Had a little issue and couldn’t call had to email and the response was very fast and the product is great will order more from here Was this review helpful to you?

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Great quality items, great price, too. December 3, 2020 : GSD pack leader from Apopka, FL United States   I hadn't purchased from MAS previously, but was searching for an upper with specific feature, 16" barrel,  mid length gas, mlock, at a good price and available. Found everything I desired in the upper at MAS Defense, the price was very good for the features and in stock, too.  Received the upper quickly and was more than satisfied with the quality and service. I will be a return customer. Was this review helpful to you?