{"product_id":"airforce-tex-rex-big-bore-air-rifle-py-6563","title":"AirForce Tex-Rex Big Bore Air Rifle","description":"\u003cp\u003e\u003cstrong\u003eAirForce Tex-Rex Big Bore Air Rifle\u003c\/strong\u003e\u003c\/p\u003e    Velocity: Up to 1350 FPS w\/ a 80 grain round ball in .308 and 1250 FPS w\/ a 225 grain slug in .457 and .510  Max Fill Pressure: 4500 psi\/310 bar  Muzzle energy: up to 450 FPE w\/ 205 grain slug in .308 and .457, 1100 FPE w\/ 620 grain slug .510 caliber  Available in .308, .457, .510 caliber  New Titanium Valve System  500cc carbon-fiber air tank  Two-stage, position-adjustable trigger  Safety: Automatic  34\" Lothar Walther barrel  Single shot  Shots per fill vary based on Bias Port  Three Bias Port Screws are included: .067 (pre-installed), .059, and .040  Shot per fill: 6-7 shots in .308, 5-6 shots in .457 caliber and 4-5 shots in .510 caliber  Weight: 7.25 lbs  Length: 48.75\"  Weaver\/Picatinny rail  M-LOK Foregrip  Made in the USA   \u003cp\u003e\u003cstrong\u003ePlease Note: \u003c\/strong\u003eBefore 2026 this gun came with an 11mm dovetail scope rail. It now comes with a Weaver\/Picatinny scope rail.\u003c\/p\u003e","brand":"AirForce","offers":[{"title":".51 Cal","offer_id":51962762395969,"sku":"PY-6563-13806","price":1270.99,"currency_code":"USD","in_stock":true},{"title":".457 Cal","offer_id":51962762428737,"sku":"PY-6563-14145","price":1270.99,"currency_code":"USD","in_stock":false},{"title":".308 Cal","offer_id":51962762461505,"sku":"PY-6563-14613","price":1270.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8716\/2433\/files\/PY-6563_AirForce-TexRex-Big-Bore_1769800941.jpg?v=1783721575","url":"https:\/\/milehighairguns.com\/products\/airforce-tex-rex-big-bore-air-rifle-py-6563","provider":"Mile High Airguns","version":"1.0","type":"link"}