How come my co2 bb pistol barrel pops out every time I pull the trigger?

Question

I only used one co2 cylinder and my guns barrel started to pop out every time I shoot. I pull the trigger and the barrel comes out, when the hammer hits, the barrel goes back in. Please help me

Answer 1

Thats normal I guess thats how the firing mechanism is designed I had one just like that a few years back. I think it was a Daisy 15xt pistol.