This is good news, to have a Slim Motor to fit a Slim Pistol Grip. LCT Airsoft announce that their Realistic Series AK Grip and Slim AK AEG Motor will be coming soon. For the motors, yoou can either choose the SL-Torque Motor Slim or the SL-Speed Motor Slim. They will fit the PK349 and PK350 Slim AK Grips respectively.