TacFire BU9MM4 Pistol Upper Assembly AR-Platform 9mm Luger 4\" Black Nitride/Black Anodized Finish
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TacFire
Overview
The TacFire BU9MM4 Pistol Upper Assembly is a complete upper receiver designed specifically for the AR-9 platform, chambered in 9mm Luger. With a pistol-length gas system, this upper provides reliable cycling and operates effectively in compact builds, making it suitable for short-barreled configurations. Builders often integrate this upper into pistol builds that prioritize maneuverability and ease of handling in tight spaces.
Specifications
TacFire BU9MM4 Pistol Upper Assembly AR-Platform 9mm Luger 4\" Black Nitride/Black Anodized Finish
Frequently Built With
Based on build data
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower Receiver
Magpul AFG-2 Angled Fore Grip - Black
Foregrip
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
Charging Handle
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom
Lower ReceiverBuild Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
| Product | Category | Times Built Together |
|---|---|---|
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 360 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 259 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 230 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 166 |
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | Charging Handle | 160 |
| Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom | Lower Receiver | 142 |
| Platform | Percentage |
|---|---|
| AR-9 | 100% |
| Caliber | Percentage |
|---|---|
| 9mm | 100% |
| Gas System | Percentage |
|---|---|
| Pistol | 100% |
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