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13.9" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT - MID-LENGTH GAS
13.7" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT - MID-LENGTH GAS
 
MSRP: $315.00
Our Price: $279.99
SALE PRICE: $238.99

Price with Selected Options: $238.99

Stock Status: In Stock


Product Code: MAS-135N3-MDBN-00

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
 
13.9" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT - 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 - 13.9" 5.56 / .223 1X7 Government 4150 CRMOV Melonite Nitride Barrel - Mid-Length Gas - MAS00120456

3. Handguard - Mil-Spec Barrel Nut

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 Flash Hider

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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