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16" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL
16" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL
 
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MSRP: $425.00
Our Price: $342.99
SALE PRICE: $292.99

Price with Selected Options: $292.99

Stock Status: In Stock


Product Code: MAS-163B1-MDNM-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:



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" 300 Blackout Barrel. Click on the drop down box above to choose from our selection.

3. Handguard - MAS Defense "Nero" 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 - Pistol 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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M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID GOLD TITANIUM NITRIDE (TiN) M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - NICKEL BORON AR-15 FORGED CHARGING HANDLE AR-15 - STANDARD TACTICAL LATCH M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT MELONITE NITRIDE BCG

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 Impressive blackout June 23, 2024
: Cameron Allen from Frankfort, IN United States  
Very well put together, fittings are spot on and it’s a must try.
Mildly light for a 16in barrel, lots of clearance and multi purpose with the Mlok rail added on definitely a C clamp capable.
I’m also impressed with this the company, manufactures, and having amazing customer service.
If ya have any questions or concerns they will be more than happy to help you out.
Keep up the great work, also I’ll be keeping them on my radar to see what they bring to the market.

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  0 of 0 people found the following review helpful:
 
5 of 5 Great company to deal with September 11, 2023
: Tyler Randolph from White Rock, NM United States  
Ordered the upper and had a quick response on a part they didn’t have and they explained some things I did not know about the 300 blackout pistol and carbine gas systems and got it shipped out fast. Upper came packaged nice and secure and all parts are very nice quality. I will buy from MAS defense again for sure! Very impressed

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  0 of 0 people found the following review helpful:
 
5 of 5 300 black out November 4, 2022
: Craig Hill from Kunkeltown, PA United States  
Perfect! In every way! Love it! Came to me ready to go!

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  0 of 0 people found the following review helpful:
 
5 of 5 Better than expected September 17, 2022
: Gabe Belsha from Sedalia , MO United States  
Quality of upper far surpassed my expectations.  The finishing touches and appearance are great.  Mounts to my Aero lower perfect.

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  0 of 0 people found the following review helpful:
 
5 of 5 Z November 14, 2021
: Leo Garcia from Grovetown, GA United States  


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