TacFire BU45ACP7 Pistol Upper Assembly 45 ACP Caliber with 7″ Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver for M-LOK Handguard for AR-Platform Includes Bolt Carrier Group
February 6, 2026
TacFire BU9MM4 Pistol Upper Assembly 9mm Luger 4″ Black Nitride Barrel 7075-T6 Aluminum Black Anodized Receiver M-LOK Handguard for AR-Platform
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TacFire BU-556-10 Pistol Upper Assembly 5.56x45mm NATO Caliber with 10″ Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard for AR-Platform Includes Bolt Carrier Group
$304.36
TacFire BU-556-10 Pistol Upper Assembly 5.56x45mm NATO Caliber with 10″ Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard for AR-Platform Includes Bolt Carrier Group
14 in stock
Chambered in 5.56, this pistol upper is completely built and ready to be put on a lower. Includes a Bolt Carrier Group.
| UPC | 729205518300 |
|---|---|
| Manufacturer | TacFire |
| Manufacturer Part Number | BU55610 |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Barrel Finish | Black Nitride |
| Barrel Length | 10" |
| Sights | None, Optic Ready |
| Product Type | Complete |