300 Blackout Upper Kit
Introducing the Alexander Arms 300 Blackout Upper Kit! This kit has everything you need to get started on your very own 300 upper build!

The kit includes:

- Mil-Spec flat top upper receiver (port door and forward assist installed)
- Our very own high quality 16", 416 stainless steel, 1:8 twist, fluted barrel. Muzzle threading is 5/8-24 TPI RH.
- Your choice of either a Low Profile or Picatinny Railed Gas Block
- Carbine-length Gas tube
- Mil-Spec charging handle

The kit does not include a bolt, bolt carrier, barrel nut, or handguard.

All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
Charging Handle Upgrade - Please select this option if you would like to upgrade to the Raptor Ambidextrous charging handle.
Gas Block - Please select either a Low Profile or Picatinny Railed Gas Block.
Base Price: $525.00
Selected Options: $0.00
Total Price: $525.00
Hot Deal Bargain Great Idea
This Alexander Arms® 300 Blackout kit is fully-inspected by Alexander Arms® for proper critical dimensions. This product carries our standard one-year limited warranty against factory defects of the parts being sold.  Warranty does not cover the final functionality of the rifle built with this kit. Because of the advanced nature of firearms assembly and the possibility of physical harm to a user, it is expected that the assembler of this kit has adequate technical knowledge of firearms assembly. All returns must be submitted within 30 days of being received with the orignal invoice. Products are only valid for return if they are in new unused condition. Return of individual pieces from a kit for refund is not allowed.
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