.300 Blackout Pistol Kit Assembly 10.5″ Phosphate Barrel, 10″ Quad Rail 80% Lower Receiver

(6 customer reviews)

from: $42423$39499

SKU: SKU-607 Categories: , Tag: Product ID: 3166


This is a complete AR-15 upper receiver with an 80% AR-15 lower receiver. (Assembly optional)

The parts included are below:

AR-15 Upper Receiver

  • 10.5″ Phosphate Barrel 1/8 twist .300 Blackout
  • 10″ Quad Rail Hand Guard
  • Pistol Barrel Length Gas Tube
  • Low pro gas block
  • Forward Assist
  • Ejection Port Cover
  • Charging Handle
  • M-16 Bolt Carrier Group
  • Flash Hider with Crush Washer

Lower Parts

  • Pistol Buffer Tube with cushioned grip
  • Lower Parts Kit

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

*This is not a complete receiver and still requires machining to be done.

Additional information

Weight10.00 lbs



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6 reviews for .300 Blackout Pistol Kit Assembly 10.5″ Phosphate Barrel, 10″ Quad Rail 80% Lower Receiver

  1. Richard Bjerke

    Ordered a few months back, forgot to review. Tried to cancel the order before it shipped. Took two days to respond and told me they couldn’t cancel my order due to it shipping, and then they created a shipping label that didn’t do anything for quite a few days. Upon arrival the gun initially looked good. But upon assembly you could tell it was rushed. They sent a rifle length gas tube for a pistol setup.

  2. David H

    WTF? You just described what is happening with me!!!! Damn!!!

  3. David H

    I was just going to order a pistol and rifle. Now I’m going to hold off. Thanks for the heads up!

  4. gavanb (verified owner)

    Purchased this kit last October but just started assembly and the gas tube is for a rifle, not a pistol, same issue as the other reviews for this kit.

  5. alanshippen

    Getting ready to order mine. Think I’ll pay to have it assembled. Worth the $10 to avoid these issues.

  6. ChadVegas

    I’ve orderded (PRE COVID) a few times from these guys and have always been happy, except the time that I ordered a bronze upper/lower combo. Turns out the upper was cerakote, the lower was anodized, they weren’t even CLOSE to same color. But always prompt shipping. Ordered one of these kits during the coronavirus, they make a shipping label on May 6. As of June 4th, STILL hadn’t shipped, they did not respond to emails (3). Never even acknowledged them. Finally shipped out on June 11th, still no email acknowledgement, as others have said, got wrong gas tube, other than that order was correct. I will order 80% lowers from them again. I will, uh, wait until the nationwide gun rush is over. I’m gonna cut them some slack. EVERYONE is out of everything, and though their customer service sucks (during the pandemic, at least, never tested it before), they did ship what I ordered. Eventually.

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