Need help with batteries plz look?

Question

ok so i have an airsoft gun it is electric which meens it runs on batteries. but i have one problem i lost the cap to the batterie slot. so i have the flat part of the baterie touching the spring in the gun. no problem there. but i have the other part of the batterie touching nothing. so the gun dosent have enough power to run so does anyone no what i can do to fix this. or can someone tell me what they make the parts out of. plz im trying to be precise but its hard to explain and its late so plz bear with me.

Answer 1

The same thing happened to me with a stereo! What I did was: I got a paper clip, got some duct tape, bent the paper clip to fit over the batteries (possitive touching negative(you may need two paper clips for that), then I taped it up. It worked fine for me, good luck.