TacFire BU-556-7 Pistol Upper Assembly 5.56x45mm NATO Caliber with 7″ Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard for AR-Platform Includes Bolt Carrier Group
February 6, 2026
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
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TacFire BU-300-10 Pistol Upper Assembly 300 Blackout 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-300-10 Pistol Upper Assembly 300 Blackout Caliber with 10″ Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard for AR-Platform Includes Bolt Carrier Group
41 in stock
Chambered in 300 Blackout, this rifle upper is completely built and ready to be put on a lower. Includes Bolt Carrier Group.
| UPC | 729205508325 |
|---|---|
| Manufacturer | TacFire |
| Manufacturer Part Number | BU30010 |
| Product Type | Complete |
| Sights | None, Optic Ready |
| Caliber/Gauge | .300 AAC Blackout |
| Barrel Length | 10" |
| Barrel Finish | Black Nitride |