TacFire .300 Blackout AR-15 Upper Receiver Build Kit with Bolt Carrier Group - 7.5"

Manufactured by TacFire Inc.
SKU: UK-300-7-BCG
MPN: UK-300-7-BCG
Manufactured by TacFire Inc.
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Standard orders will ship out in 1 business day (M-F) if ordered by 3:30 pm CST. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination. NFA items will take longer to ship and are dependent upon ATF processing times.

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This TacFire 300 Blackout AR-15 Upper Receiver Kit comes with everything you need to start to assemble a 7.5” pistol. Whether this is your first build and don’t know where to start or your tenth and you just want something that is quick and easy to build without picking every single part, this kit is for you. The 7.5” barrel chambered in 300 Blackout and every part included is built to last, making your new AR great for the range. The forged barrel is threaded 5/8x24 for attaching the included A2 flash hider. The barrel and pistol length gas system and gas block are covered by the Slim Line M-LOK handguard. This free float handguard is machined from aluminum and offers plenty of QD slots for attaching rail segments or other accessories. Check out the TacFire 300 Blackout AR-15 Upper Receiver Kit for a one stop shop experience with everything you need to build an AR-15 for the range.

Kit Includes:

  • 7.5” Barrel Parkerized (USA Made)
  • 300 Blackout Bolt Carrier Group (USA Made)
  • Slim M-Lok Free Float Hand Guard
  • .750 Low Profile Gas Block
  • Pistol Length Gas Tube
  • Mil-Spec Charging Handle Aluminum
  • Dust Cover
  • Forward Assist
  • 5/8x24 Thread Bird Cage A2 flash hider
  • Upper Receiver (USA Made)

The TacFire build kit uses all Mil-Spec components, so you can easily upgrade parts in the future if you so choose. TacFire build kits are extremely easy and fun to build. They come with all the Mil-Spec components you need with the added benefit of a free float handguard instead of a plastic two-piece handguard.
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Barrel Coating
Barrel Length7.5
Bolt Carrier Group
Caliber Gauge300 Blackout
Gas System LengthPistol
HP Tested
MPI Tested
Muzzle DeviceA2 Flash Hider
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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