Manufactured by KWA the RM4 CQB is another example of innovation in Airsoft today. With an Electronic Recoil Gearbox KWA brings fantastic realism to an AEG. With a functioning bolt-catch, charging handle, and recoil the KWA RM4 CQB gives the shooter some of the best feedback in Airsoft. With premium KWA internals the trigger is crisp each and every shot. The magazine cutoff provides for a realistic training experience. When the magazine is empty, the KWA RM4 CQB will stop firing, till the operator reloads. Once a new magazine has been inserted, press the Bolt Stop will re-engage the system and firing can resume. This feature is limited to KWA RM4 specific magazines but the RM4 CQB is capable of using other magazines without adapters. Externally PTS furniture adorns the rifle and gives the rugged reliability and sleep appearance of Magpul. Overall, the KWA RM4 CQB challenges for the title of Top Training AEG for both players and professionals alike. With the ability to give realistic feedback while maintaining the all-weather access of AEGs you'll be hard pressed to find a more Elite Training Rifle. Battery and charger sold separately.