If you do not mind a littlw extra weight and a silly logo Try a ten power SUPER SNIPER scope . For a three hundred dollars you get excelent optics and the Super sniper has something none of the other scopes have An NSN number I. E. Military units can buy it . Rated for use on up to 50 cal guns...
Try taking the reloaded bullet out of the case and see if the case will feed. Mike a loaded bullet case and see if it is over the saami spec for diameter of loaded round. Slug the Chamber at the neck with a lead slug to see if there is interference.
Sure do. OCD makes me fingernail polish cut with acetone so it flows well. Dip Qtip in it and can do 10 to 20 before I need more. What I want it to do is just leave color between primer and case joint. Like I said too much time on my hands.
Remember clean primers may have a half life measured in years and not decades. It may be a push to target long term storage of components or ammunition. I’ve had primers fail after a few years that were lead free or clean and WW 2 Canadian 9M/M that is still 100% reliable.
O hell i know your problem . Welcome to the world of O C D. I've got thousands of sortes weighed sized and swedged 223 , 9mm, 45acp ,45 colt 40 S&W and cannot shoot anymore. I still process brass and load because I love the hobby.
Years ago someone posted here they mixed two very similar powders by accident. They were two very similar rate so he just ran some to test the mix. Blew up and locked up the bolt, rifle trashed as I remember.
Check alignment of gas port and block. Check if bolt carrier is going all the way to the rear. If it is aligned and not going to rear check gas rings, they should hold the carrier up if the extended bolt is placed extracter face down on a table. If the bolt carrier is held up the rings are OK...