Two things.......April 14 2012 at 6:28 PM
Response to Crosman 1100 Piercing Cap Disassembly/Reseal?
That nut has a threadlocking compound on it, so it will require a bit of heat to free it up.
But most importantly - that nut has a left hand thread. Heat it up, and turn it clockwise to remove it.
- Thanks! - Nick Carter on Apr 14, 2012, 8:26 PM