Tex-Rex® .510 Big-Bore PCP Carbine Air Rifle

Compact. Powerful. American Made. The Tex-Rex .510 Carbine Big Bore Air Rifle delivers raw power in a compact, field-ready design. Precision CNC-machined in Fort Worth, Texas, this ultra-high-power big bore rifle packs up to 900+ foot-pounds of energy using a 620-grain slug and reaches velocities up to 800+ fps. With a shorter 24.75” Lothar Walther barrel, it offers better maneuverability without compromising performance. This is the latest evolution of the Tex-Rex platform, now equipped with an upgraded 500cc carbon-fiber bottle, a full-length Picatinny scope rail, upper and lower 11mm dovetail accessory rails, and a newly added manual safety for improved control and confidence in the field. The Tex-Rex Carbine features a user-tunable Bias Port orifice system, which hunters can use to fine-tune power and air efficiency on the fly. Weighing in at just 6.95 lbs unscoped, this American-made powerhouse is purpose-built for serious hunters targeting large game like deer, hogs, or rams—where performance and reliability are everything. WHY HUNT WITH THE TEX-REX CARBINE? American Made — Precision CNC-machined in Fort Worth, Texas. .510 Caliber Devastation — Fire heavy slugs up to 620 grains with massive terminal energy. 24.75” Compact Barrel — Shorter profile for maneuverability in the field without compromising performance. Max Energy Output: Up to 900+ ft-lbs with a 620-grain slug. Weight: Approx. 6.95 lbs (unscoped). Barrel: 24.75” Lothar Walther Precision Rifled Steel. Velocity: 800+ fps depending on slug weight.* Fill Pressure: 4500 PSI / 310 BAR *Performance depends on slug grain, fill pressure, and installed orifice. NEW BIAS PORT ORIFICE SYSTEM Precision Tuning for Maximum Flexibility TheTex-Rex .510 Carbine Big Bore Air Rifle features a user-interchangeable Bias Port system to fine-tune air usage, energy output, and shot count based on your hunting plans. Each stainless steel orifice screw is precision machined to meter air flow. Port Size  Slug Weight Velocity Energy Shots Per Fill 0.040” 620 gr 800+ fps 880+ FPE 1-2 Shots 0.040” 475 gr 875+ fps 815+ FPE 3-4 Shots No Orifice 225 gr 1080+ fps 590+ FPE 6-7 Shots   Select the orifice—or run it wide open—to match your mission. Whether you need maximum impact for trophy-class hogs or prefer more follow-up shots in the field, the Tex-Rex adapts to your hunting style. DESIGNED FOR HUNTERS WHO DEMAND MORE: Built on the Proven Texan Platform – Trusted by serious airgun hunters worldwide. Modular Frame – Accepts optics, bipods, and aftermarket accessories. Moderator-Ready Adapter Available Separately Perfect for: Deer, ram, hogs, and other large game. COMPACT SIZE. ENORMOUS POWER. TEX-REX CARBINE – .510 CALIBER AirForce Tex-Rex Carbine .510 Cal Big Bore Air Rifle SKU: #U305024