Tex-Rex® .457 Cal Big Bore Air Rifle

From Fort Worth to the Field – Tex-Rex® .457 Delivers American Power

Available Now!

Dominate your next big-game pursuit with the all-new Tex-Rex® .457 Cal Big Bore Air Rifle, a next-generation hunting platform born from the legendary Texan series. Delivering over 1,000 foot-pounds of energy with the right slug and orifice combination, this beast is built for serious airgun hunters who demand raw stopping power, long-range precision, and rugged reliability—all in a platform engineered, machined, and assembled in the USA.

Key Features:

• • Extreme Muzzle Energy – Over to 1,000 FPE using a 400+ grain slug and the 0.040” bias port orifice
  • Flat Trajectory – Fires slugs up to 1,250 FPS, ideal for long-range accuracy
  • Premium Barrel – 34” Lothar Walther precision rifled barrel for maximum range and accuracy
  • Bias Port Orifice System – Interchangeable orifice screws allow fine-tuned control over power and shot count
  • Lightweight 500cc Carbon Fiber Tank – Max fill pressure of 4500 PSI (310 BAR) for efficient, powerful shot strings
  • Rugged Ergonomics – Textured foregrip with integrated M-Lok® slots for bipods and slings
  • Ready for Optics – Sturdy 11mm dovetail rail supports scopes or open sights
  • Built to Hunt – Weighs just 7.25 lbs (unscoped), designed for maneuverability and field durability

Tex-Rex® .457 Cal Big Bore Air Rifle – Engineered to Deliver

Whether you’re hunting hogs, deer, rams, or exotics, the Tex-Rex® .457 Cal Big Bore Air Rifle provides the perfect balance of raw energy and practical versatility. Thanks to its modular tuning options and robust build, it’s equally at home in dense brush or open range.

AirForce Airguns – American Innovation, Built to Hunt.

Sku: #U30454

Bias Port Orifice Tuning Table