Return to MAS DEFENSE AR-15 FORGED UPPER RECEIVER - SLICK SIDE - BLACK
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  0 of 0 people found the following review helpful:
 
5 of 5 MAS DEFENSE AR-15 FORGED UPPER RECEIVER - SLICK SI November 29, 2023
: Kevin - Veteran AF from Beverly Hills, FL United States  
Building a new super light wieght for the wife. This upper is perfect well made, clean, neat and fit perfect. I would recomend to anyone.

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5 of 5 Superbly done. July 19, 2023
: Michael Singleton from Monticello, FL United States  
I was a bit worried that the price would reflect the quality, I was pleased to see that wasn't so, everything from fit to finish was great, no shart edges anywhere even the picatinny rail.. has a very flat finish. Being left handed with an ambi charging handle, working the bolt with my right hand is free and open to get a full grip on the handle without the forward assist being in the way. And it being a 7075 forged is the only way to go.

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5 of 5 Great value June 10, 2023
: Derek from Texas  
Nice and smooth anodizing, with a nondescript logo on top. Much cheaper than any competition!

I did have to torque this past 80 ft/lbs but it should hold its own.

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  1 of 1 people found the following review helpful:
 
5 of 5 exactly what I needed May 13, 2023
: Eugene Coon from Baden, PA United States  
fits and looks good

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  1 of 1 people found the following review helpful:
 
5 of 5 Great upper April 29, 2023
: Chris Davis from Landis, NC United States  
With today's ammunition and BCG's quality,  do we really need forward assists anymore? One less part I need to install and it's a very slick looking upper. Plus fast shipping.

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  0 of 0 people found the following review helpful:
 
5 of 5 Solid upper March 31, 2023
: chris biesterfeld from Frederick, CO United States  
As the title says.... solid upper for what I need. Little .22LR honey badger build.

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  0 of 0 people found the following review helpful:
 
5 of 5 Stripped Upper Receiver March 10, 2023
: Mike Thomas from Englewood, CO United States  
Like everything I've ordered from MAS Defense, it's a phenomenal product.

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  0 of 0 people found the following review helpful:
 
5 of 5 Great upper February 26, 2023
: Bruce Lockerby from Belfair, WA United States  
Works great

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4 of 5 Seams good February 22, 2023
: Twigster from Newberg, OR United States  
Fits in a aero lower with out too much movement. I’m not currently using it in a built at the moment so I just dry fitted all component except for a desk cover.
The Faxon barrel i have laying around slides in half way before getting tight. So there maybe a slight taper in the fitment. Not quite a thermal-fit and better than a Hot dog down the hallway.
I bought two ar15 uppers, this slick side and one with the extra milling clearance in the dust cover area so 450 & .458 cal cases can more efficiently eject & also has a forward assist.  I noticed that both receivers came from different forging houses and also have different ano finish textures. Which I find surprising if Mas is doing there own machining and sending them to the same ano place. This slick side upper as the more doll & chalky. The other is similar to the aero precision finish.  I like the price and feel there are of good value.


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5 of 5 Great deal! February 22, 2023
: JBT  
I love using these uppers for lightweight builds

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