Tacfire 10" Complete Upper Assembly 9mm 1:10, Black - BU-9MM-10
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TacFire
Overview
The Tacfire 10" Complete Upper Assembly is designed for the AR-9 platform and features a 10-inch barrel chambered in 9mm, making it ideal for those looking to build a compact, high-velocity firearm. With a twist rate of 1:10, this upper is optimized for stabilizing a variety of 9mm bullet weights, ensuring accuracy and consistency in performance. This upper assembly is often utilized in builds focused on 9mm caliber applications, catering to shooters who prioritize versatility and maneuverability.
Specifications
Tacfire 10" Complete Upper Assembly 9mm 1:10, Black - BU-9MM-10
August 2026 on GunPartPicker
Tacfire 10" Complete Upper Assembly 9mm 1:10, Black - BU-9MM-10 ranked #57 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #46 of the 1,638 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 9mm and nearly all AR-9.
It was in stock most days in August 2026, but today 2 of the 5 retailers we track have it in stock. The best price crept up from $297.99 to $319.14 over August 2026. Buying today, the lowest price is $307.37 at KY Gun Company, above August's low of $289.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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