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TacFire
Overview
The TacFire Pistol Kit in .45 ACP is a complete upper receiver designed specifically for the AR-9 platform. With a thread pitch of 5/8x24, this assembly allows for a variety of muzzle devices, helping to customize your build for performance and style. This upper receiver is commonly found in builds aimed at maximizing versatility while maintaining a compact profile.
Specifications
Available Merchants(4)
Prices checked
Price Alert
September 2026 on GunPartPicker
TacFire Pistol KIT .45 ACP Black Steel USA Made ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since April 2026. All time, it ranks #480 of the 1,694 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 3 of the 4 retailers we track have it in stock. It dipped to $318.33 at BattleHawk Armory for a stretch in September 2026, under its usual $335.86, so sales do come around. Buying today, the lowest price is $318.33 at BattleHawk Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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