Tacfire 16" Complete Upper Assembly .45 ACP 1:16, Black - BU-45ACP-16
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TacFire
Overview
The Tacfire 16" Complete Upper Assembly in .45 ACP is designed for builders looking to create a robust AR-9 platform with a 16-inch barrel. Featuring a 1:16 twist rate, this upper is optimized for stability and accuracy with .45 ACP ammunition, making it well-suited for close-quarters engagements or range use. This assembly is particularly popular among builds focused on .45 ACP caliber applications, providing a reliable and straightforward upgrade for your rifle project.
Specifications
Tacfire 16" Complete Upper Assembly .45 ACP 1:16, Black - BU-45ACP-16
Build history on GunPartPicker
Builders have been adding the Tacfire 16" Complete Upper Assembly .45 ACP 1:16, Black - BU-45ACP-16 to their builds on GunPartPicker since February 2026. All time, it ranks #466 of the 1,656 upper receivers builders have added.
It was hard to find in September 2026, in stock on only 15 of the 27 days we checked, and today 4 of the 5 retailers we track have it in stock. It dipped to $275.97 at BattleHawk Armory for a stretch in September 2026, under its usual $296.99 to $322.02, so sales do come around. Buying today, the lowest price is $275.97 at BattleHawk Armory, which matches the best price we saw in September.
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