Tactical Shirts Airsoft of Spain review the CM.350 Airsoft Shotgun. Made by CYMA, this the shorter version of the CM.350 which is based on the pump action spring-powered Tokyo Marui shotgun and the Remington M870 Shotgun as the gun design. This fires 3 BBs and each cartridge will hold 30BBs. This has three internal barrels for this action aand comes with 1 shell and a speed loader.