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TacFire
Overview
The Tacfire AR Build Kit is a stripped upper receiver designed specifically for the 300 Blackout caliber, making it a versatile choice for builders looking to optimize their AR-15 platform for subsonic or supersonic ammunition. With a pistol-length gas system, this upper receiver is tailored for compact builds that benefit from reduced recoil and enhanced maneuverability. It is commonly used in builds aimed at tactical applications or those looking for a lightweight, compact firearm setup.
Specifications
Tacfire AR Build KIT 300 Blackout AR Platform Nitride
Available Merchants(5)
Prices checked
Price Alert
September 2026 on GunPartPicker
Tacfire AR Build KIT 300 Blackout AR Platform Nitride ranked #168 of the 615 upper receivers builders added on GunPartPicker in September 2026.
It was in stock most days in September 2026, and today all 5 retailers we track have it in stock. The best price drifted down from $352.99 to $338.10 over September 2026 without a real sale. Buying today, the lowest price is $320.46 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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