Undergassed. Also what is the overall length of your reloads. You may be long. I would reload a few in various lengths and see if the feed problems improve. You have a lot of variables going on at once.
I need to rent a reamer. I have a GP-100 in .38. From my conversation with Ruger everything is the same except the cylinder and barrel markings. Nice Smith projects.
Even 100,000 is too much for a steel frame. About every 30,000 rounds the slide to frame clearance will start to open up. The rails can be peened 3 times and usually after that they will crack if you peen them a 4th time. If you don't care about max accuracy it is a non issue.
Weapons Guild informed the guy responsible for most of the semi auto Bren guns that exist in America that he did not know what he was doing. He designed the semi RPD's , PKM's and a few others. He converted Saigas to open bolt machine guns. He is still building guns and is an 02/07 ffl. Weapons...
I worked in the small arms shop 3rd shop in the army for a while. We never used anything on the barrels. Install torque to spec and send it down the road. Stuff that came to us was always replacements. Never even heard of anyone using loctite and there is not a reason for it. The gas tube will...