LA Hobby Shop in Japan now have the BOLT Airsoft SWAT BRSS or their airsoft MP5-style series with the BOLT Recoil Shock System (BRSS). The BRSS is their electric blowback with simulated recoil and this will be the first MP5 AEG with recoil features. The MP5J version has a retractable slot just like the real MP5J that is in use in Japan.