40mm Cartridge Reload Tool is a tool to help using King Arms BB cartridge in more efficiency way.
Two pieces of tool will be included. The loading tool helps locking the BB cartridge valve in proper position. The same tool is used to push BBs in to the BB cartridge cavity.
The reloading ring is used to re-assemble BB cartridge. With the reloading ring, bearings will much more easier to be filled into valve.

40mm Cartridge Reload Tool