The TacFire AR-15 Complete Built Upper in 5.56 NATO has a 10.5-inch barrel with a 1:8 twist (brand part no. SSBU55610). TacFire builds it as a complete upper assembly for the AR-15 platform, finished in black nitride for durability and corrosion resistance. The short barrel gives a compact, maneuverable package. It is a straightforward way to add a ready-to-run 5.56 upper to your build.

Key Specifications

• The chambering is 5.56 NATO, the standard cartridge for AR-15 uppers.
• The barrel is 10.5 inches, a compact length that keeps the upper handy.
• Twist is 1:8, which stabilizes a wide range of 5.56 bullet weights.
• The finish is black nitride, a hard treatment that adds wear and corrosion resistance.
• The barrel profile is mid-weight, balancing handling and heat tolerance.
• The upper is a complete built assembly designed to fit AR-15 lowers.

Frequently Asked Questions

Is this upper chambered in 5.56 NATO? Yes. The upper is chambered in 5.56 NATO (5.56x45mm) and has a 10.5-inch barrel.

What twist rate does the barrel have? The barrel has a 1:8 twist.

What platform does it fit? It is built for the AR-15 platform.

Buy the TacFire AR-15 Complete Built Upper, 5.56 NATO, 10.5-Inch Barrel, Black Nitride

A complete, nitride-finished 5.56 upper is the fastest way to finish a build. Order from our Lubbock, Texas gun shop and it ships fast to your door, and see more AR-15 uppers while you are here.