.300 Blackout Upper Receivers

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Wing Tactical is making it easier than ever for today’s gunsmiths to build their own AR-platform rifles chambered in this popular caliber. We offer a selection of .300 Blackout upper receivers manufactured by today’s top firearms brands.

For gunsmiths looking to save time at the bench (or speed up the parts-sourcing process), consider a .300 Blackout complete upper receiver: a pre-assembled product featuring the receiver housing, barrel, and handguard.

 A .300 Blackout Upper Receiver

.300 Blackout Upper Receivers for the AR Platform

While the AR-15 was originally chambered in .223/5.56 NATO, the platform has grown significantly since its introduction in 1959. Today’s shooters have numerous calibers to choose from, and .300 Blackout is one of many high-powered options available to today’s marksmen.

Wing Tactical’s collection of .300 Blackout upper receivers showcases the highest-quality products available in today’s small arms market. But, if you’re looking to save time on parts sourcing and assembly, consider a pre-assembled .300 Blackout complete upper receiver.

 Radian Model 1 complete upper featuring charging handle and bolt carrier group

.300 Blackout Complete Upper Receivers

Wing Tactical offers .300 Blackout upper receivers from a variety of manufacturers like Aero Precision, Seekins Precision, and Radian Weapons.

Complete upper receivers feature numerous pre-assembled parts, including:

  • Barrel
  • Handguard
  • Gas block
  • Gas tube
  • Bolt carrier group
  • Charging handle
  • Muzzle device
  • Upper receiver housing

Source Quality-First Firearm Components from Wing Tactical

Wing Tactical is a veteran-founded brand committed to showcasing the best firearm parts, kits, tools, and accessories available in today's small arms market. While we only offer products we'd use in our own builds, our hassle-free return policy makes it easier to return or exchange a part for any reason. If you have a question about a product or need advice on your next project, reach out to our experienced team of gunsmiths and firearms enthusiasts — we’re happy to help.