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16" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE GROUNDWORKS 15" M-LOK RAIL - MID LENGTH GAS W/ BCG & FCH
16" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE GROUNDWORKS 15" M-LOK RAIL - MID LENGTH GAS


 
MSRP: $580.00
Our Price: $514.99
SALE PRICE: $399.99

Stock Status: In Stock

Product Code: MAS-165N3-MDGW-15
Qty:

DESCRIPTION
 
16" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE GROUNDWORKS 15" M-LOK RAIL - MID LENGTH GAS
***BOLT CARRIER GROUP AND FORGED CHARGING HANDLE INCLUDED

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 1x7 Twist Govt Profile 4150 CrMoV Melonite Nitride Treated

3. Handguard - MAS Defense "Groundworks" 15" 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

7. Charging Handle - Forged

8. Bolt Carrier Group - M16 BCG Melonite Nitride


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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FORGED CHARGING HANDLE AR-15 - DUAL PULL AMBIDEXTROUS GEN 2 AR-15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - ION GOLD TITANIUM NITRIDE (TiN) AR-15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - NICKEL BORON FORGED CHARGING HANDLE AR-15 - DUAL PULL AMBIDEXTROUS GEN 3
Our Price: $24.99
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FORGED CHARGING HANDLE AR-15 - DUAL PULL AMBIDEXTROUS GEN 2 AR-15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - ION GOLD TITANIUM NITRIDE (TiN) AR-15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - NICKEL BORON FORGED CHARGING HANDLE AR-15 - DUAL PULL GEN 3
AR-15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - MELONITE NITRIDE
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AR-15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT MELONITE NITRIDE BCG

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 20 CLICK HERE TO WRITE A REVIEW »

  0 of 0 people found the following review helpful:
 
5 of 5 Very nice complete upper August 19, 2022
: Nathan from CA United States  
I have to say I was not expecting how fast the shipping was. It came right on time and the build quality is excellent! I would say this upper is a perfect weight that balances out nicely. Will be ordering from here again.

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  0 of 0 people found the following review helpful:
 
5 of 5 July 23, 2022
: David Maguire from Accokeek, MD United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 What was on “Special” this month June 22, 2022
: Paul from United States  
Have ordered a lot of stuff from MAS over the years and am  a very happy return customer. This is the first “complete” upper I’ve purchased and it looks very nicely done—and all I have to do is pin it on and go.  The bcg and ch appear to be top notch.  No corners cut—-Very pleased.

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  0 of 0 people found the following review helpful:
 
5 of 5 Complete 5.56 Upper June 11, 2022
: Charles Self from Goldsboro, NC United States  
Excellent workmanship.  Fast shipping, received in one week even with a holiday in-between.

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  0 of 0 people found the following review helpful:
 
1 of 5 Shipping was supposed to arrive the 16th July 20, 2021
: Neil Craven from Clallam Bay, WA United States  
Now says pending...seems stuck in NC state.... Once I receive my order I'll check back.
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MAS Defense Reply: Neil, we apologize for the inconvenience. FedEx has been contacted to start a trace on this package. We will continue to monitor this tracking number and keep you updated.
Thank you for your business and your feedback!

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