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

16" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 12.62" M-LOK RAIL
16" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 12.62" M-LOK RAIL
 
Alternative Views:
MSRP: $430.00
Our Price: $344.99
SALE PRICE: $294.99

Price with Selected Options: $294.99

Stock Status: In Stock


Product Code: MAS-163B1-MDRL-12

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
 
16" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 12.62" M-LOK RAIL

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 "Ridgeline" 12.62" 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***.

RELATED ITEMS
FORGED CHARGING HANDLE AR-15 - STANDARD TACTICAL LATCH M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID GOLD TITANIUM NITRIDE (TiN) FORGED CHARGING HANDLE AR-15 - G2 TACTICAL LATCH M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID NICKEL BORON
Our Price: $24.99
SALE PRICE: $109.99
Our Price: $24.99
SALE PRICE: $109.99
FORGED CHARGING HANDLE AR-15 - STANDARD TACTICAL LATCH M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID GOLD TITANIUM NITRIDE (TiN) FORGED CHARGING HANDLE AR-15 - G2 TACTICAL LATCH M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - NICKEL BORON AR-15
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - MELONITE NITRIDE
SALE PRICE: $89.99
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT MELONITE NITRIDE BCG

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

  0 of 0 people found the following review helpful:
 
5 of 5 December 20, 2024
: Justin Fisher from Whittier, NC United States  


Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 Upper July 20, 2021
: James from ,  
Well made.  High Quality . I would highly recommend MAS Defense. I will be doing business with them again.


Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 Excellent! December 29, 2020
: Ryan Maloney from FL United States  
Ordered a 16” 300Blk upper and was not disappointed. Item was exactly as pictured/ described and had a smooth clean fit on my lower. Item was shipped promptly.Great quality and pricing. Thank you

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 Exactly what I wanted October 22, 2020
: Alexander Richardson from Lusk, WY United States  
The craftsmanship is superb. I absolutely love this upper, simply amazing product.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 May 3, 2020
: Donn Sunshine from Wytheville, VA United States  


Was this review helpful to you?



20" .223 WYLDE AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 15" LIGHTWEIGHT QUAD RAIL
20" .223 WYLDE AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 15" LIGHTWEIGHT QUAD RAIL
$345.99