3 a gasification system 4 a refilling system 5 and a gas shunting system 6 please see fig2 a 2e the refilling system 5 of the present invention includes a dual magazine assembly 50 for housing two different cartridges the first magazine 50 a is capable of housing ball bullets 90 and the second magazine 50 b is capable of housing ball bullets 90 with shell cases 60 please refer to fig2 a 2b which are respective views of the refilling system in accordance with the present invention when the first magazine is utilized the first magazine 50 a is a hollow member with one end being a closed end 51 a and is capable of housing ball bullets 90 therein a magazine spring 52 a is attached to the inner surface of the closed end 51 a in the first magazine 50 a at the end of the magazine spring 52 a on the opposite side to the closed end 51 a a magazine follower 53 a that pushes ball bullets 90 is attached the first magazine 50 a includes a hollow slider 54 to hold the ball bullets 90 the ball bullets 90 are guided away from the first magazine 50 a through an opening provided by the slider 54 the first action 70 a includes a shell case front end 60 a the shell case front end 60 a has a.