hop up trouble

[irgingermk2]

hi was wondering if anyone would be able to help me solve a issue with my ak47 it fire fine on semi an auto with the hopup turned of but if i put the hopup on it just makes a jamming noise

[RR01]

Sounds like the hop is already on even though it's off. Does it cause a jamb if you only adjust the hop a minute amount, or are you turning it fully on? If the latter then that would usually cause the BBs to get stuck in the hop and not fire.

[Hudson]

What bucking is it?

[irgingermk2]

adjusting it just a tiny bit causes a jam then if i turn if back of it fires but a few bbs fall out 1st i aint got a clue what bucking it has

[Monty]

Bucking might have ripped, letting the hop up arm protrude into the barrel.