The TacFire AR-15 Complete Upper in .300 AAC Blackout with a 10″ barrel (brand part no. BU30010) contains every part needed to finish an AR-15 build except the lower receiver. Made by TacFire, the upper ships with the bolt carrier group already installed and a black nitride-finished 10″ barrel suited to short-barrel pistol or SBR-length builds running .300 Blackout, a caliber built for solid performance from shorter barrels. The optic-ready top means it’s set up for a red dot straight out of the box.

Key Specifications

• Chambered in .300 AAC Blackout, built for strong performance from a short barrel.
• Features a 10″ barrel length.
• Barrel is finished in durable black nitride.
• Ships complete with bolt carrier group installed.
• Sight configuration is none, optic-ready, ready for a red dot or optic.
• Classified as a complete upper assembly requiring only a lower receiver to finish the build.

Frequently Asked Questions

What’s included with this upper? It contains all the parts needed to finish an AR-15 build except the lower receiver, including the bolt carrier group.

Why choose .300 Blackout on a 10″ barrel? .300 Blackout is designed to perform well from short barrels, making the 10″ length a strong pairing for compact AR builds.

Buy the TacFire AR-15 Complete Upper, .300 Blackout, 10″ Barrel, Black with BCG

Finish a compact .300 Blackout build fast with a fully assembled TacFire upper. See more in our AR15 uppers category, and it ships fast from our Lubbock, Texas gun shop.