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5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL
5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL


 
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MSRP: $325.00
Our Price: $253.99
SALE PRICE: $228.99

Price with Selected Options: $228.99

Stock Status: In Stock


Product Code: MAS-059M0-MDNM-07

Upper Receiver Options:


Barrel Options:


Handguard Options:


Gas Block Options:


Gas Tube Options:


Muzzle Device Options:


***ON SALE - Choose a Bolt Carrier Group:


***ON SALE - Choose a Charging Handle:



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DESCRIPTION
 
5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL

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 - 5.25" 9MM NATO (9x19) 1x10 4150 CrMoV Melonite Nitride Treated Steel

3. Handguard - MAS Defense "NERO" 7.25" Slimline M-LOK Free Floating Handguard - (ID 1.25")

4. Muzzle Device - Flash Can - Slim (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.

***80% LOWERS CANNOT BE PURCHASED WITH BARRELED UPPERS OR BUILD KITS. ORDERS THAT INCLUDE THEM WILL BE CANCELLED AND CHARGED A 15% CANCELLATION FEE***.


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Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 9 CLICK HERE TO WRITE A REVIEW »

  0 of 0 people found the following review helpful:
 
5 of 5 Second Purchase - Lifetime Customer May 5, 2023
: Adam Lawson from Thomasville, GA United States  
I first bought from MAS when I wanted to shorten my work gun. After loving that purchase, I came back for my first build. As soon as I clicked off safe on the range, I knew I'd made the right decision. Everything that comes from here is quality, so you won't be disappointed. I'll definitely be coming back for future needs.

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  0 of 0 people found the following review helpful:
 
5 of 5 Fantastic company February 25, 2023
: Elias Gonzalez from Nampa, ID United States  
Everything was fantastic from how fast my upper shipped to the quality of everything. Will order again.

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  0 of 0 people found the following review helpful:
 
5 of 5 Upper review December 7, 2022
: Davon Larkins from Detroit, MI United States  
Upper came in time clean and flawless will shop again

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  0 of 0 people found the following review helpful:
 
5 of 5 Awesome upper! December 10, 2021
: Nicholas Golden from Columbia, SC United States  
It was looks and runs even better than I expected. The laser engravings make it stand out even more

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  0 of 0 people found the following review helpful:
 
5 of 5 Quality/prompt April 10, 2020
: Chris Rammage from Arlington, WA United States  
As I have not finished build I can't say anything about functionality but after a detailed inspection the upper I ordered looks to be very good quality. Also it shipped very fast, I had it in about a week. Fantastic for the situation we find ourselves in right now. I will be ordering from them again.

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