5" 300 BO Premium Build Kit

(1 customer review)


Out of stock

Build Kits come unassembled

SKU KIT-15-300-05-001 Categories ,


Disclosure: Handguards will be either keymod or mlok depending on availability. 

  • Forged Upper Receiver
  • Forward assist (where applicable)
  • Dust cover (where applicable)
  • 5″ 300 AAC blackout barrel
  • Micro length gas tube
  • .750 steel gas block
  • A2 flash hider
  • 4″ handguard (handguard may change depending on availability).
  • Ambidextrous charging handle
  • 5.56/.223/.300 BO Full auto nitride bolt carrier group
  • USA made lower parts kit
  • Pistol buffer kit – may or may not have foam depending on availability

Build Kits come unassembled

KIT notice as of March 1st 2020.

All build kits are subject to change slightly in this time of EXTREME demand. We are not currently able to fill specific spec requests. The kit parts will fall into the general specs above but items such as stocks, handguards, and muzzle devices are changing daily.

Additional information

Weight 5 lbs

1 review for 5″ 300 BO Premium Build Kit

  1. Quinn S.

    I was extreamly happy with the quality my only complaint is the the gas tube would not fit with the barrel nut that was included but I was able to tourq it down and dremel out a valley for it to sit without touching

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