p80 help

Hi, I built this awhile ago and am having trouble with it. Finally got around to posting here to figure out what the heck is wrong. When I went to test fire it would shoot reloaded 9mm I had but would have trouble with battery of the slide fully forward, had to give it a slap, while some PMC...

So, while sanding down the channel of a project I just started working on, I accidentally shaved a little bit of this part of the frame. I worked on many projects before, but haven’t had this happen; So I ask, will this mess up the entire build? Note: I don't have any of the internals and I...