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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
Available Merchants(5)
Prices checked
Price Alert
November 2026 so far on GunPartPicker
Tacfire 10" Complete Upper Assembly 9mm 1:10, Black - BU-9MM-10 ranks #19 of the 777 upper receivers builders have added on GunPartPicker so far in November 2026, behind the PSA GEN3 PA10 20" Rifle-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-LOK Upper - With BCG & CH, with about 1 in every 125 upper receivers added to builds. Up from #22 in October. Builds with this upper receiver are nearly all chambered in 9mm and nearly all AR-9.
It was hard to find in October 2026, in stock on only 14 of the 27 days we checked, and today only Palmetto State Armory has it in stock. It dipped to $289.99 at Optics Planet for a stretch in October 2026, well under its usual $341.99, so sales do come around. Buying today, the lowest price is $341.99 at Palmetto State Armory, above October's low of $289.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Spike's Tactical Spider 9mm AR-15 Lower - Colt
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
FAXON Firearms 9mm AR-15 Bolt Carrier Group for Glock or Colt Magazines - Nitride
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
Magpul AFG-2 Angled Fore Grip - Black
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
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