Our .300 Blackout  out Rifle kits deserve their own category. Each one of our .300 Blackout rifle kits comes with the upper assembly pre assembled, and all of the components you need to make your very own firearm. Sourced from American manufacturers, our parts are made right here in the, where quality and American ingenuity are prized above all. Your .300 Blackout Rifle kit is only a few clicks away!

What is included in your .300 Blackout Rifle Kit?

The .300 Blackout rifle kit is, for all intents and purposes, an AR style rifle and uses many of the parts that our AR-15 rifle kit has in this kit. Essentially the only things that change in these two kits are the barrel of the upper assembly, and the bolt carrier group. Here is what comes in your .300Blackout Rifle Kit

The Parts included in the .300 Blackout rifle kit:

• Buffer Spring
• Buffer Tube
• Buffer
• Buffer screw and castle nut
• Mil spec adjustable stock
• Trigger
• Hammer
• Mil spec grip
• Fire control group assembly
• Safety selector assembly
• Bolt catch assembly
• Mag release assembly
• AR-15 upper receiver with M4 feed ramps
• .300 Blackout barrel
• Keymod  or MLok handguard 
• Flash hider
• .223/5.56 bolt carrier group
• Charging handle

How to Build a .300 Blackout Rifle kit?

The core components of the kit must be assembled properly in order to ensure functionality. Here are the main components of the .300 Blackout rifle kit. 

• AR-15 Upper Assembly With .300 Blackout Barrel
• AR-15 Mil spec Lower Parts Kit 
• AR-15 Mil Spec stock assembly 
• AR-15 80% Lower Receiver

Why Buy Steel Fox Firearms AR-15 Rifle Kit?

Here at Steel Fox Firearms, our responsibility is to ensure secure and user-friendly access to the world of firearms online. That is why we do our best to deliver quality products at an amazing price. Our .300 Blackout rifle kits come with everything you need to build a quality firearm without all of the financial hassle associated with name brands. The DIYer is an important part of the gun community, and we strive to provide the best equipment for them. 

The Parts included in the .300 Blackout rifle kit:

• Buffer Spring
• Pistol buffer Tube
• Buffer
• Buffer screw and castle nut
• Pistol Brace
• Trigger
• Hammer
• Mil spec grip
• Fire control group assembly
• Safety selector assembly
• Bolt catch assembly
• Mag release assembly
• AR-15 upper receiver with M4 feed ramps
• .300 Blackout pistol length barrel
• Keymod  or MLok handguard 
• Flash hider
• .223/5.56 bolt carrier group
• Charging handle

Why Buy a .300 Blackout Rifle Kit from SteelFox Firearms?

Here at Steel Fox Firearms, we pride ourselves on fast shipping, affordable prices, and quality products so that our customers can enjoy an accessible medium into the world of firearms. For those who are new to the community, we aim to provide insight in a no hassle way. There is a lot to learn, and when it comes to our .300 Blackout rifle kits, we give our customers the ability to customize as they see fit.