i had a similar problem with mind, I made my own tool. A sort of grappling hook shape. Took 3 thick wire hangers, unbent them, make the hook end a sharp arrow pointed shape, duct taped them in a triangular pattern like a grappling hook shape, pushed it in till the grabber arms popped open on the other side of hte silencer and pulled it out.
ok, so that was a horrid description, but hopefully you get the idea
