With the takedown screw problem finally solved, I took my new Victory to the range for a shakedown. I should note I gave it a thorough cleaning and lubing before doing so. It functioned flawlessly until it started getting close the 100 round mark. It then seemed to be having trouble chambering rounds. I brought the gun home and disassembled it. I went to do the "plop" test, holding the barrel up and dropping a fresh round in to the chamber. It should just fall in with a noticeable "plop". The round stopped with about an 1/8 inch to go. A light push got it to seat the rest of the way. I pulled the round out and got my bore light out. What I found was lead buildup at the front of the chamber, right behind where the rifling starts. It was odd, because there was no sign of leading in the barrel, just around the front of the chamber. I cleaned it with a bore brush and got quite a few flakes of lead out of it. I cleaned it until the barrel and the chamber were clean and shiny...as shiny as they get anyway. Took it back to the range. Same problem after 70-80 rounds. Same result. Noticeable leading at the front of the chamber. I've never had a .22 pistol do this. I was shooting Remington Golden Bullets by the way. I've never had issues with them in any other gun. I'm going to try again with CCI mini mags and see what happens.