Tacfire 18" Complete Upper Assembly .308 Win 1:10, Black - BU-308-18
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TacFire
Overview
The Tacfire 18" Complete Upper Assembly is specifically designed for the AR-15 platform, chambered in .308 Win, making it suitable for a variety of shooting applications. With an 18-inch barrel and a 1:10 twist rate, this upper assembly optimizes bullet stability and accuracy for heavier projectiles, providing solid performance in both target shooting and hunting scenarios. This upper is commonly found in builds that leverage the .308 Win caliber for enhanced stopping power and versatility.
Specifications
Tacfire 18" Complete Upper Assembly .308 Win 1:10, Black - BU-308-18
Available Merchants(5)
Prices checked
Price Alert
October 2026 on GunPartPicker
Tacfire 18" Complete Upper Assembly .308 Win 1:10, Black - BU-308-18 ranked #13 of the 844 upper receivers builders added on GunPartPicker in October 2026, behind the Yankee Hill Machine .223 Rem/5.56 Billet Upper Receiver, Hardcoat Anodized Matte Black - 110-BILLET, with about 1% of all upper receivers added to builds. Up from #34 in September. Builds with this upper receiver are nearly all chambered in .308 Win, nearly all on rifle-length gas, and nearly all AR-10.
It was in stock most days in October 2026, and today 3 of the 5 retailers we track have it in stock. It dipped to $391.44 at BattleHawk Armory for a stretch in October 2026, well under its usual $435.99, so sales do come around. Buying today, the lowest price is $409.99 at Optics Planet.
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
PSA GEN3 PA10 Forged Complete MOE EPT SBA4 .308 Lower With Over Molded Grip
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Wilson Combat .308 Win Bolt Carrier Assembly, Nickel Boron - TR-BCA-NB-308
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
Fortis SHIFT Vertical Grip - M-LOK
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
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