I have been working with a fully rifled Encore 20 ga. slug gun. I have had good luck with the Remington all copper slug and especially with the 3" Federal. The gun will shoot into 1" at 100 yards with the Federal and I had a couple of one hole groups. It does not like the Winchester, the load I was wanting to use. I get fliers as if it is too fast and stripping in the rifling. I bought some 20 ga, sabots but have not loaded them yet, I need cardbord wads and a roll crimper. Has anyone loaded any of these? I still do not have a good load for the Lyman cast slug, as I was advised, but will keep trying. Any input on factory slugs and reloads would be greatly appreciated, Shotgunner