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
Tacfire 20" Complete Upper Assembly .308 Win 1:10, Black - BU-308-20
Available Merchants(5)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
Tacfire 20" Complete Upper Assembly .308 Win 1:10, Black - BU-308-20 ranks #15 of the 832 upper receivers builders have added on GunPartPicker so far in October 2026, behind the Yankee Hill Machine .223 Rem/5.56 Flat Top Stripped Upper Receiver, Hardcoat Anodized Matte Black - 110, with about 1% of all upper receivers added to builds. Up from #17 in September. Builds with this upper receiver are nearly all chambered in .308 Win, split between carbine-length (33%) and mid-length (33%) gas systems, and nearly all AR-10.
It was in stock most days in September 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 September 2026, well under its usual $456.77, 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 hundreds of builds that include this one
PSA GEN3 PA10 Forged Complete MOE EPT SBA4 .308 Lower With Over Molded Grip
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
CMMG .308 Win/7.62 Bolt Carrier Group, Black - 38BA423
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Magpul AFG-2 Angled Fore Grip - Black
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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