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8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 7.23" KNURLED - BALLISTIC ADVANTAGE BARREL
8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 7.23" KNURLED - BALLISTIC ADVANTAGE BARREL


 
MSRP: $335.00
Our Price: $279.99

Price with Selected Options: $279.99

Stock Status: (Out of Stock)

Product Code: MAS-083B1-YHKN-07

Upper Receiver Options:


Barrel Options:


Gas Block Options:


Gas Tube Options:


Muzzle Device Options:



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 - 8.5" 300 Blackout 1x7 Ballistic Advantage DRP Profile 4150V Melonite Nitride - Modern BABL300003M

3. Handguard - Yankee Hill Machine YHM-9645 - 7.23" Knurled Free Float

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.

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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 Always excellent customer service January 12, 2020
: Mark Jackson from Inman, SC United States  
Bought a barrel - changed my mind and bought the upper - absolutely no hassle - RMA’s - or other time consuming still to deal with - just an email. I am a long term customer for a reason

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  0 of 0 people found the following review helpful:
 
5 of 5 July 12, 2019
: Brady Culbert from Arlington, TX United States  
Great service and great parts. Great job you guys keep up the great work.

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  0 of 0 people found the following review helpful:
 
5 of 5 300 Blackout upper January 27, 2019
: David Hackenberg from Trilby Cemetery Rd , FL United States  
Very nice upper

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  0 of 0 people found the following review helpful:
 
5 of 5 MAS 8.5" .300 Blackout Upper November 16, 2016
: David M  
Man I love this upper! Fit and finish are great, no dings or blems, everything looks just as it should. Shipped quick and well packaged too! Shot this last weekend and she groups sub MOA with superand subsonic loads. Couldn't be happier, nice job MAS!

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  0 of 0 people found the following review helpful:
 
5 of 5 8.5" 300 BLACKOUT UPPER - YHM 7.23" KNURLED August 8, 2016
: Jim L  
I received my upper in a week and a half after placing my order on a Saturd!Fit and finish is excellent. Initially testing, with fifty rounds, it ran perfectly. I shot 110gr V-Max supersonic and 175gr SMK subsonic loads.This upper produced the best accuracy of the four AR pistol uppers I own.I will purchase from them again, in the future.

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