Looking for a TWI Kochevnik ak bullpup conversion kit

MARUYAMA FMG-9 FOLDING SMG kit with a WE 18C Gen3 installed. Working as it should no issues. Comes with extra WE 50rd G series extended magazine, and sling mount that I bought separately for the kit. Comes with all WE 18C original parts, so that lower frame and various parts that wasn’t required to be installed to the ...