TacFire BU45ACP16 45 ACP 16" AR-Platform Complete Upper Receiver Black Nitride
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TacFire
Overview
The TacFire BU45ACP16 is a complete upper receiver designed for the AR-9 platform, featuring a 16-inch barrel specifically chambered in .45 ACP. This assembly allows builders to create a powerful, reliable firearm that takes advantage of the .45 ACP's stopping power while maintaining the versatility of the AR-9 system. This upper receiver is commonly found in builds that prioritize .45 ACP caliber, making it an excellent choice for those looking to enhance their AR-9 setup.
Specifications
TacFire BU45ACP16 45 ACP 16" AR-Platform Complete Upper Receiver Black Nitride
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Build history on GunPartPicker
Builders on GunPartPicker first added the TacFire BU45ACP16 45 ACP 16" AR-Platform Complete Upper Receiver Black Nitride to a build in February 2026.
Updated · from real builds on GunPartPicker
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