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


 
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MSRP: $425.00
Our Price: $360.99
SALE PRICE: $310.99

Price with Selected Options: $310.99

Stock Status: In Stock


Product Code: MAS-165N3-MDRL-15

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

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 "RIDGELINE" 15" Slimline M-LOK Free Floating Handguard - (ID 1.36")

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 Love the Upper August 30, 2022
: Mark Herman from Hays, KS United States  
I love this upper!  Added the long slim can and it looks great.

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  0 of 0 people found the following review helpful:
 
5 of 5 Another excellent Upper build February 4, 2022
: Graflin Booth from New Orleans, LA United States  
I've made multiple purchases of complete uppers from MAS.  Each upper has been well-made to a fault, and the options and prices are as good as can be found anywhere.

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  0 of 0 people found the following review helpful:
 
5 of 5 Perfect all around upper April 26, 2021
: from Pulaski, WI United States  
I bought this upper for my newest 5.56 build any was super pleased with the quality of the upper. I opted for a 1x8 twist and received a great barrel that will allow for me to shoot a wide variety of bullet weights. Overall, I was extremely pleased with Mas Defense and will definitely be buying more in the future as it goes back in stock.

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  0 of 0 people found the following review helpful:
 
4 of 5 Great product April 2, 2021
: from McAllen, TX United States  
Received this complete upper and am very satisfied with it so far. I have not taken it to the range yet, but look forward to doing so.  It looks mean though.  Love it.

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  0 of 0 people found the following review helpful:
 
5 of 5 Great product! March 26, 2021
: from NY United States  
Great upper and you can really see the quality, excited to use it, and will deff buy more often from Mas

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