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16" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL - MID LENGTH GAS
16" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL - MID LENGTH GAS


 
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MSRP: $400.00
Our Price: $354.99
SALE PRICE: $304.99

Price with Selected Options: $304.99

Stock Status: In Stock


Product Code: MAS-165N3-MDNM-12

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 - 16" 5.56 NATO / .223 Govt 4150 CrMoV Steel

3. Handguard - MAS Defense "Nero" 12.62" Slimline M-LOK Free Floating Handguard - (ID 1.25")

4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block

5. Gas Tube - Mid-Length Stainless Steel Gas Tube

6. Muzzle Device - A2 Half Cage

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: 18 CLICK HERE TO WRITE A REVIEW »

  0 of 0 people found the following review helpful:
 
5 of 5 Very pleased April 15, 2021
: John Ferranti from MARLBOROUGH, MA United States  
Upper fit and finish were nice and tight. No scuff or marring marks.

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  0 of 0 people found the following review helpful:
 
5 of 5 Great item March 26, 2021
: Charles Small from N Brookfield, MA United States  
Solid feels good finish is really nice.  Exactly what you'd hope to receive and its well put together.

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  0 of 0 people found the following review helpful:
 
5 of 5 Superb! March 26, 2021
: Patrick from Minden, NV United States  
I’m thinking MAS is the best bang for my buck.
Their Glock barrel shoots like my KKM barrels and their uppers perform like my Wilson Combat....value and service with this outfit and their stuff.

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  0 of 0 people found the following review helpful:
 
5 of 5 March 5, 2021
: john scott from east berlin, PA United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 Good March 5, 2021
: Anthony Rivers from Butler, PA United States  
Good upper for the price, fast turn around especially during covid

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