.300 Blackout Upper Assembly 16″ Barrel 12″ Quad Rail,

(1 customer review)

from: $34918$28499

SKU: SKU-785 Category: Tag: Product ID: 3427


This is a complete AR-15 upper receiver kit with a 12″ Quad Rail and 16″ Blackout Barrel

The parts included are below:

16″ Blackout Barrel
Barrel Thread – 1/2″ x 28
12″ Quad Rail Hand Guard
Gas Tube, and low pro gas block
Ejection Port Cover
Charging Handle
Forward Assist
Flash Suppressor with Crush Washer
M-16 Bolt Carrier Group
Anodize Color Options

This kit come with Upper Receiver in the following colors

Black Anodized
Green Anodized……….. extra
Red Anodized………….. extra
Blue Anodized………….. extra
Bronze Anodized……….. extra
Purple Anodized……… extra
Pink Anodized……… extra
Upper Receiver Assembly

This kit come with upper receiver assembly options. If you choose to do the assembly yourself, there is no cost. We will ship every parts to complete your upper. We can do the assembly for you for $10 extra

Additional information

Weight10.00 lbs



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1 review for .300 Blackout Upper Assembly 16″ Barrel 12″ Quad Rail,

  1. Nico

    First time ordering from Thunder Tac, love this upper assembly! It did come assembled, and I got it colored red. Only thing that I would have to say was a bump in the road was the coating on the upper receiver causing a little friction in the BCG. Other than that great upper! I highly recommend this assembly!

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