a more suitable/affordable option to simply purchase a .300 Blackout upper assembly than a 

Not everyone is looking for their next complete rifle or pistol built for the .300 Blackout caliber. And since the .300 Blackout kit comes in the AR-15 platform, which most people already have, it might be a completely new gun.

What does a .300 Blackout Upper Assembly come with?

• AR-15 upper receiver with M4 feed ramps
• .223 wylde or 5.56 nato barrel
• Keymod  or MLok handguard 
• Flash hider
• .223/5.56 bolt carrier group
• Charging handle

An upper assembly is an assembly of all the major components of the upper receiver, which houses the gas system, barrel, charging handle, and Bolt carrier group. It hold the mounting system which allows for different attachments to be placed onto the build. 

Are Upper Assemblies legal?

The Upper assembly of an AR style firearm is not actually considered a firearm, as it does not control any part of the firearm that involves firing it. Because of this, Upper assemblies are not considered FFL items, and therefore can be shipped right to your door. 

Disclaimer: We are not legal experts and urge all of our customers to know the firearm and 80% lower laws within their state. 

Why Buy a .300 Blackout Upper Assembly from SteelFox Firearms?

We preassemble all of our upper assemblies to make the build process easier for our customers. We test each one of our uppers to check for headspacing, and only select the best of the bunch to be available for purchase. It is our responsibility to give our customers the best we have to offer at the most affordable price. Shop SteelFox Firearms .300 Blackout upper assemblies today.