Shopping cart Airforce - Tex-Rex® Carbine Gun Only w/Carbon Fiber Tank The Tex-Rex® .510 Carbine Big Bore Air Rifle delivers extreme big bore performance in a compact, field-ready platform. Precision CNC-machined in the USA, it combines massive energy output with maneuverability for serious hunting applications. Overview Built around a 24.75" Lothar Walther barrel, this rifle produces up to 900 FPE with heavy slugs while maintaining a shorter, more agile profile. The upgraded 500cc carbon fiber bottle and high-pressure system ensure consistent, hard-hitting performance in the field. Key Features .510 caliber big bore platform Launches slugs up to 620 grains Massive power output Up to 900 FPE Velocities up to 800 FPS Compact carbine design 24.75" barrel for improved maneuverability Precision barrel Lothar Walther rifled steel barrel Bias Port tuning system User-adjustable airflow for power and efficiency Upgraded air system 500cc carbon fiber bottle 4500 PSI (310 BAR) fill Accessory-ready platform Full-length Picatinny rail Upper & lower 11mm dovetail rails Enhanced safety Manual safety for added control Lightweight for its class Approx. 6.95 lbs (unscoped) Made in the USA Precision CNC-machined in Texas Specifications Caliber: .510 Max Energy: 900 FPE Max Velocity: 800 FPS Barrel Length: 24.75" Barrel Type: Lothar Walther rifled steel Air Capacity: 500cc carbon fiber bottle Max Fill Pressure: 4500 PSI (310 BAR) Weight: ~6.95 lbs Bias Port System The user-interchangeable Bias Port orifice system allows shooters to fine-tune: Air efficiency Power output Shot count Each precision-machined stainless steel orifice controls airflow, giving you flexibility to match your setup to your hunting needs. Built for the Field Purpose-built for large game hunting, this rifle delivers the power and reliability needed for deer, hogs, and similar game—while maintaining a compact, easy-to-handle form factor.