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7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL
7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL


 
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MSRP: $403.00
Our Price: $343.99
SALE PRICE: $293.99

Price with Selected Options: $293.99

Stock Status: In Stock


Product Code: MAS-073B1-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:



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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 - 7.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection.

3. Handguard - MAS Defense "NERO" 9.87" Slimline M-LOK Free Floating Handguard - (ID 1.25"). Click "Handguard Options" above for FDE.

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

5. Gas Tube - Pistol Length Stainless Steel Gas Tube

6. Muzzle Device - Flash Can - Slim (Pictured)

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: 1 CLICK HERE TO WRITE A REVIEW »

  0 of 0 people found the following review helpful:
 
5 of 5 Great complete 300 blackout upper! April 5, 2023
: Nathan C from Naperville, IL United States  
I bought the 7.5” Nero blackout upper. I use a normal
buffer spring and normal 3 ounce buffer weight and this upper cycles 124 grain to 147 grain supersonic ammo! Using a nickel boron BCG too. Perfect right out of the box!

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