4" 9mm AR-15 Build Kit

(1 customer review)


Out of stock

Build Kits come unassembled

SKU KIT-09-9MM-04-001-1 Category


Disclosure: Handguards will be either keymod or mlok depending on availability. If you have a preference, please leave in the comment at checkout and we will try to accommodate the request. 

This kit comes with everything minus the stripped AR-9 lower receiver to build an Ar-15 in 9mm

Kit specs

1- Either mil spec upper receiver or upgraded billet upper receiver (depending on availability)
1- 4.5″ cmv 9mm barrel
1- 9mm muzzle device w/ crush washer
1- 4″ free float handguard (keymod or mlok depending on availability)
1- 9mm bcg (glock and colt compatible)
1- charging handle
1- mil spec lower parts kit (USA MADE)
1- 9MM buffer
1- 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 3.75 lbs

1 review for 4″ 9mm AR-15 Build Kit

  1. macetron2000

    Works good had trouble with the buffer. Was too thick to let the bolt run all the way through. Wouldn’t lock on the bolt catch. But with some adjustments good buy. Would recommend used a p.s.a lower.

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