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4.75" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 5.5" M-LOK RAIL
4.75" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 5.5" M-LOK RAIL


 
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MSRP: $305.00
Our Price: $295.99

Price with Selected Options: $295.99

Stock Status: (Out of Stock)

Product Code: MAS-049M0-MDNM-05

Upper Receiver Options:


Barrel Options:


Handguard Options:


Gas Block Options:


Gas Tube Options:


Muzzle Device Options:



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DESCRIPTION
 
The options listed below come standard with this barreled upper. The drop down options listed above allow you to customize your build. You can leave them as is, change one option or change them all! We let you build your upper the way you want it built!

1. Upper Receiver - 7075 T6 Aluminum A4. Precision Machined to Mil-Spec Tolerances. Black Hardcoat Anodized Mil-Std-171 Type III. M4 Ramps, Forward Assist, Ejection Door.

2. Barrel - 4.75" 9MM NATO (9x19) 1x10 4150 CrMoV Melonite Nitride Treated Steel

3. Handguard - MAS Defense "NERO" 5.5" Slimline M-LOK Free Floating Handguard - (ID 1.25")

4. Muzzle Device - Flash Can - Slim Short (Pictured)

Bolt Carrier Groups and Charging Handles are sold separately. All barreled uppers are head spaced and test fired to ensure function.

ALL LAWS APPLY. IT IS THE RESPONSIBILITY OF THE BUYER TO UNDERSTAND ALL LAWS REGARDING PURCHASE AND OWNERSHIP OF THIS UPPER. WE STRONGLY URGE YOU TO CONTACT YOUR LOCAL FFL AND/OR THE ATF WITH ANY AND ALL QUESTIONS TO MAKE SURE YOU UNDERSTAND THE LAW BEFORE PURCHASING THIS ITEM.


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Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 5 CLICK HERE TO WRITE A REVIEW »

  0 of 0 people found the following review helpful:
 
5 of 5 May 16, 2020
: nicholas ingle from elon, NC United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 Awesome upper. Annoying shipping procedure January 8, 2020
: Austyn from Yuma, CA United States  
Upper got here quick and cool. Was at work when it arrived so the post office left a not that I had to be 21years or older to sign. I am, but I work 6am-6pm every day of the week so I had to fake an illness to leave early from work to get it from the post office before they sent it back.

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  0 of 0 people found the following review helpful:
 
5 of 5 December 13, 2019
: Bill Sanford  
Excellent finish fits very tightly to lower

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  0 of 0 people found the following review helpful:
 
5 of 5 4.75" 9MM BARRELED UPPER - MAS NERO 5.5" M-LOK RAI October 23, 2019
: Charles Milazzo from Shavertown, PA United States  
This is my 4th MAS AR upper and once again MAS doesn’t disappoint.   Quality products at great prices.    
 Waiting for .224 Valkyrie.......

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  0 of 0 people found the following review helpful:
 
5 of 5 MAS Defence supporter for life December 31, 2018
: Joey Peralta from Virginia Beach, VA United States  
I picked up a 9mm upper for my Ar9 build. It arrived within 2 days and in great condition. Product looks amazing and I will definitely be buying my 9mm bcg front them as well. Highly recommend any product from this company. Very pleased with my purchase!!

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