HOME > AR-15 > AR-15 BARRELED UPPERS > 300 BLACKOUT >

10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 12" LIGHTWEIGHT QUAD RAIL - FDE
10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 12" LIGHTWEIGHT QUAD RAIL - FDE


 
Alternative Views:
MSRP: $438.00
Our Price: $363.99
SALE PRICE: $313.99

Price with Selected Options: $313.99

Stock Status: In Stock


Product Code: MAS-103B1-MDSQ-12F

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
 
10.5" 300 Blackout Barreled Upper - MAS Squadron 12" Lightweight Quad Rail - FDE

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 - 10.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection.

3. Handguard - MAS Defense Squadron 12" Lightweight Quad Rail - FDE - (ID 1.8")

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

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***.

RELATED ITEMS
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - MELONITE NITRIDE FORGED CHARGING HANDLE AR-15 - STANDARD TACTICAL LATCH M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID NICKEL BORON M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID GOLD TITANIUM NITRIDE (TiN)
SALE PRICE: $79.99
Our Price: $24.99
SALE PRICE: $99.99
SALE PRICE: $99.99
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT MELONITE NITRIDE BCG FORGED CHARGING HANDLE AR-15 - STANDARD TACTICAL LATCH M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - NICKEL BORON AR-15 M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID GOLD TITANIUM NITRIDE (TiN)

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 3 CLICK HERE TO WRITE A REVIEW »

  1 of 2 people found the following review helpful:
 
5 of 5 300 blackout complete upper April 8, 2023
: James McCord from Powhatan, VA United States  
Extremely light upper with an amazing fit and finish. Excellent customer service and shipping was really fast.  Will be ordering more soon!! Thanks MAS Defense

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 April 15, 2020
: Cody Owen from Jonesville, VA United States  
Excellent selection for an upper combo.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 MAS is amazing January 8, 2020
: from Vero beach, FL United States  
Fast shipping. Item arrived in perfect condition and better than the online photos. MAS will be my go to source for future builds.

Was this review helpful to you?