Tacfire 20" Complete Upper Assembly .308 Win 1:10, Black - BU-308-20
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TacFire
Overview
The Tacfire 20" Complete Upper Assembly is designed for the AR-10 platform, featuring a 20-inch barrel chambered in .308 Win with a 1:10 twist rate. This setup ensures optimal stability and accuracy for a variety of ammunition types, making it a solid choice for precision shooting or medium to long-range engagements. This upper assembly is commonly found in builds focused on .308 Win caliber, appealing to those looking to maximize the capabilities of their AR-10 rifles.
Specifications
August 2026 on GunPartPicker
Tacfire 20" Complete Upper Assembly .308 Win 1:10, Black - BU-308-20 ranked #18 of the 690 upper receivers builders added on GunPartPicker in August 2026, behind the Sons of Liberty Gun Works Stripped Upper Receiver, with about 1 in every 111 upper receivers added to builds. Up from #22 in July. Builds with this upper receiver are nearly all chambered in .308 Win and nearly all AR-10.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 4 of the 5 retailers we track have it in stock. The best price crept up from $391.44 to $435.99 over August 2026. Buying today, the lowest price is $391.44 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Frequently Built With
The part most often added in each category by the 73 builds that include this one
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