More powder worked.

Ok
I did add some grease to the Nielson device and a drop or two of oil to the G17.

Thanks to those that helped.

Thanks
I'll up the powder charge a bit and retest.

I am troubleshooting my Osprey 9 MM installed on a Gen 4 Glock 17 with a Lone Wolf threaded barrel. Reloads: 147 grain Montana Gold, Universal Clays, 125~130 Power Factor. The gun functions fine without the suppressor, but when the suppressor is added, the slide hangs a bit before seating the next r...

The only jacketed bullets I've ever reloaded.
I am in the 40k range as well.