HK45CT is a perfect replica with all details like coating, surface finishing, anti-skid textured surface, realistic firing pin and loaded-chamber indicator were base on real. All the feature of original design, include polygonal barrel and ergonomic, anti-skid, ambidextrous use and all control system, enjoy the reliable action control. Metal slide with grip serrations and realistic coating, nylon-reinforced polymer body with picatinny rail and the extended threaded barrel for suppressors. By a new designed gas pistol hop-up quick adjusting set, an included screwdriver can direct adjusting the hop-up from the recoil spring sleeve in front of gun and You don't have to disassemble anymore.