Gun Story checks out the features of the E&C GLOCK19 TTI Combat Master gas blowback pistol that they have in stock at their store in South Korea... "This pistol features the distinctive slides of the combat master slides offered in custom packaging by American custom firearms manufacturer Taran Tactical Innovations, as well as metal slides that replicate the cut-out port shape. The various engraving of the slide are also reproduced using laser engraving."