Tex-Rex .457 Cal Big-Bore PCP Brush Gun

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 0.040″ 520 gr 710+ fps  580+ FPE 0.040″ 365 gr 800+ fps  520+ FPE OPEN 240 gr 921+ fps  452+FPE 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