{"product_id":"pro-tech-tactical-response-4-auto-4-dlc-154cm-saber-grind-brown-handle-glass-breaker-ccks-fall-2026-made-in-usa-ccksf26-tr4-1","title":"Pro-Tech Tactical Response 4 Auto, 4\" DLC 154CM Saber Grind, Brown Handle, Glass Breaker, CCKS Fall 2026 - Made in USA (CCKSF26.TR4.1)","description":"\u003cp\u003e\u003cstrong\u003eFour inches of saber ground 154CM, a secondary safety, and a glass breaker. The biggest Tactical Response.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe TR-4 is the largest knife in Pro-Tech's Tactical Response line. This is the California Custom Knife Show build, a 4 inch DLC black 154CM saber grind on a brown handle, with a steel secondary safety and a glass breaker.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cem\u003eNote from Lone Star Knife and Supply: The TR-4 is the one people buy when the TR-3 is not enough knife, and the secondary safety makes it the Pro-Tech auto we are most comfortable recommending to someone carrying it daily.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Pro-Tech Knives\u003c\/li\u003e\n\u003cli\u003eModel: Tactical Response 4 (TR-4)\u003c\/li\u003e\n\u003cli\u003eBlade Length: 4\"\u003c\/li\u003e\n\u003cli\u003eBlade Steel: 154CM\u003c\/li\u003e\n\u003cli\u003eBlade Finish: DLC Black\u003c\/li\u003e\n\u003cli\u003eBlade Grind: Saber\u003c\/li\u003e\n\u003cli\u003eHandle: Brown\u003c\/li\u003e\n\u003cli\u003eButton: Black lip pearl\u003c\/li\u003e\n\u003cli\u003eHardware: Black\u003c\/li\u003e\n\u003cli\u003ePocket Clip: Black deep carry\u003c\/li\u003e\n\u003cli\u003eFeatures: Steel secondary safety, glass breaker\u003c\/li\u003e\n\u003cli\u003eAction: Push button automatic\u003c\/li\u003e\n\u003cli\u003eEdition: Serialized of 30, CCKS Fall 2026\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Made in USA (Placentia, California)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Secondary Safety\u003c\/h3\u003e\u003cp\u003eAn automatic that lives in a pocket can be bumped. The TR-4 has a steel secondary safety that physically blocks the button, so the knife does not fire because you sat down wrong.\u003c\/p\u003e\u003cp\u003eThat is not a feature every Pro-Tech has, and on a four inch blade it is the one that matters.\u003c\/p\u003e\u003ch3\u003e1 of 30\u003c\/h3\u003e\u003cp\u003ePro-Tech made thirty of these for the California Custom Knife Show and serialized every one. Thirty is a small number even by show standards.\u003c\/p\u003e\u003ch3\u003eThe Saber Grind\u003c\/h3\u003e\u003cp\u003eA saber grind starts the bevel partway up the blade instead of at the spine, which leaves more steel behind the edge. On a four inch blade meant for hard use that is the trade you want, and it is why this is ground differently than the slicier knives in the lineup.\u003c\/p\u003e\u003ch3\u003eAn Automatic\u003c\/h3\u003e\u003cp\u003ePush button automatics are restricted in a number of states and cities. Worth checking your state and local law before you order.\u003c\/p\u003e\u003ch3\u003eAbout Pro-Tech Knives\u003c\/h3\u003e\u003cp\u003ePro-Tech builds its knives in Placentia, California. Automatics are what they are known for, and the action on a Pro-Tech button is most of the reason these cost what they do.\u003c\/p\u003e\u003cp\u003eProudly carrying American\u003c\/p\u003e","brand":"Pro-Tech","offers":[{"title":"Default Title","offer_id":67604143341748,"sku":"CCKSF26.TR4.1","price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/4049\/4516\/files\/PNW_0757Large.jpg?v=1793028615","url":"https:\/\/lonestarknife.com\/products\/pro-tech-tactical-response-4-auto-4-dlc-154cm-saber-grind-brown-handle-glass-breaker-ccks-fall-2026-made-in-usa-ccksf26-tr4-1","provider":"Lone Star Knife \u0026 Supply","version":"1.0","type":"link"}