Two things. First, what are you lubing your slugs with? Yes a clean gun is slower but a dirty gun shoots bad. So it’s very difficult to find the number of shots zone between cleanings and how many fowling shots it takes to be back to normal when your gun isn’t dialed in yet. It’s just part of the slug life. Second, if all your slugs aren’t cutting a single hole at 30 ish yards, prepare for disappointment at 50-75 yards. Looking at your targets, I see nothing that would make me shoot farther than the distance you printed the groups. Trust me, it shouldn’t be that difficult to print good groups with the correct components at 30 yards. Your inconsistencies and fliers at that close of a distance are not you. Unless you do it with pellets, it’s the gun/tune/slug.
Yes you are better off in the wind with a slug. You get a better pop unless you use a Polymag pellet. But those fliers and inconsistencies with slugs will equate to gut shots, butt shots and frustrating misses. You may be onto something with that one slug. But to bring it home you will need to disassemble, turn up reg, retune then test. Disassemble, turn up reg, retune then test.
