Originally Posted by knightoice
CAS doesn't have a SD6, but they have a MP5 SD5. I'd rather have a retractable stock, would I be able to rewire the battery from the solid stock of the SD5 into the hand guard [would it fit?] and put on that TM retractable stock. So would the battery fit inside of the hand guard? Thanks in advance.
Yes you can rewire to the front handguard. But you won't be able to use a large battery, just a mini battery.