Shop By .300 Blackout

.300 Blackout Barrels, Uppers & AR-15 Parts

The .300 Blackout is built for versatility. Whether you're running suppressed or upgrading your AR-15, we have the best .300 Blackout barrels, uppers, and complete kits to maximize performance.

Why Choose .300 Blackout?

• Optimized for Suppressors – Runs quiet with subsonic ammo and suppressors.
• AR-15 Compatibility – Uses standard AR-15 lowers with no modifications.

Shop .300 Blackout Barrels, Uppers & More

• .300 Blackout Barrels – Available in multiple lengths for different applications.
• .300 BLK Uppers – Pre-assembled uppers for easy installation.
• Complete Rifle Kits – Build your own .300 Blackout AR with top-quality components.
• Muzzle Devices & Accessories – Reduce recoil, improve control, and optimize performance.

Build or Upgrade Your .300 Blackout Rifle Today

Whether you're setting up a new tactical rifle or upgrading your AR-15, our .300 Blackout barrels, uppers, and accessories will help you build the perfect firearm for suppressed shooting, hunting, or home defense.