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8.3" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL
8" 9MM BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL


 
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MSRP: $340.00
Our Price: $262.99
SALE PRICE: $237.99

Price with Selected Options: $237.99

Stock Status: In Stock


Product Code: MAS-089M0-MDNM-10

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:



Qty:  
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 - 8.3" 9MM NATO (9x19) 1x10 4150 CrMoV Melonite Nitride Treated Steel

3. Handguard - MAS Defense "NERO" 9.87" Slimline M-LOK Free Floating Handguard - (ID 1.25")

4. Muzzle Device - Slim Flash Can

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: 8 CLICK HERE TO WRITE A REVIEW »

  0 of 0 people found the following review helpful:
 
5 of 5 High quality! February 23, 2024
: Jake from ID United States  
Very solid upper and well built. Just the right weight for what I was after.

had heard great things about MAS Defense products so I figured I would give them a try. Ordered this upper and found out for myself that MAS provides great products for a great price. Customer service was excellent and shipping was quick. I highly recommend this company and will use them again

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  0 of 0 people found the following review helpful:
 
5 of 5 Top tier January 6, 2024
: Roger Workman from Mint hill , NC United States  
I have bought multiple times in the past and I absolutely swear by MAS defense uppers assemblies!

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  0 of 0 people found the following review helpful:
 
5 of 5 January 17, 2022
: William McDonald from Bakersfield, CA United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 September 3, 2021
: Gregory Saunders from Desert Hot Springs, CA United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 Great February 17, 2021
: Gray Shale from United States  
Order was perfect.  Upper is very good quality and well assembled.  Shipped exactly as stated on website.  Will shop here again!

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