Fast Handling. Hard Hitting.
The AirForce Tex-Rex .457 Big-Bore Brush Gun was built for hunters who need serious big bore performance in a compact, maneuverable platform. Precision CNC-machined in Fort Worth, Texas, this ultra-compact configuration delivers hard-hitting power from a shorter 16-inch barrel designed for tight brush, blinds, and dense terrain.
Quick to shoulder, lightweight and easy to carry, the Tex-Rex Brush Gun combines easy handling with the devastating impact Tex-Rex rifles are known for.
Built for the Hunt
- Compact 16-inch barrel
- Picatinny optics rail
- Upper and lower 11mm dovetail accessory rails
- Manual safety
- M18x1 moderator-ready muzzle threads
- Precision CNC-machined in Texas, USA
Whether you’re hunting hogs in thick mesquite or setting up for large game at distance, the Tex-Rex adapts to your needs.
Why Hunt with the Tex-Rex .457 Big-Bore Brush Gun?
Big Bore Power
Hard-hitting .457 caliber performance for serious hunting applications.
Compact Platform
Built for blinds, brush, and fast target transitions.
Optics & Accessories Ready
Supports modern scopes, thermals, bipods, and accessories.
Built on the Proven Texan Platform
Trusted by serious airgun hunters worldwide.
TUNEABLE BIAS PORT SYSTEM
The TEX-REX Brush Gun features AirForce’s adjustable Bias Port System, allowing shooters to fine-tune performance using interchangeable port screws.
- .040″ Port Screw — Maximum power for heavy slugs and large game
- .067″ Port Screw — Balanced power and improved efficiency
- Open Port (No Screw) — Increased airflow for additional shot count and field flexibility
BIAS PORT REFERENCE CHART
| Port | Slug | Velocity | FPE | Performance |
| 0.040″ | 520 gr | 710+ fps | 🔥 580+ FPE | Maximum Power – Short Range – Big Hogs |
| 0.040″ | 365 gr | 800+ fps | 🎯 520+ FPE | Extreme Power – Large Game, Backup Ready |
| 0.067″ | 329 gr | 831+ fps | 💥 505+ FPE | Hard Hitting Versatility – Deer, Coyote & More |
| OPEN | 240 gr | 921+ fps | ⚡ 452+FPE | Multiple Shots, Field Flexibility |
Smaller orifice settings help deliver maximum energy for large game and hard-hitting performance, while larger ports or open configurations provide increased efficiency and additional follow-up shots in the field.
Whether you’re hunting hogs in thick brush, managing predators, or tuning for heavier slugs, the Bias Port System gives the TEX-REX platform exceptional versatility without sacrificing reliability or power.
Tex-Rex .457 Big-Bore Brush Gun
SKU: #U304564
