From the accumulated experience with the Thunder 9 and the Thunder 9 PRO the TPRC emerge as the logical evolution for a service weapon in the 21st century. Featuring a loaded chamber indicator; polygonal rifling barrel positions; simple maintenance and cleaning; Picatinny rail allows the use of standard accessories such as flashlights and lasers; ergonomically evolved, the operation of this new weapon becomes safer, more comfortable, precise and reliable; fully ambidextrous; short recoil, with tilting of the barrel and fitting into the ejection window; manual safety by decocking lever, automatic tail of the trigger that blocks the firing pin, hammer automatic that separates the hammer from the firing pin and places it in the first rest locked by the sear; sights recessed into the slide with dovetail and white highlight lines for quick aiming.