The ole Marlin never has liked bullets bigger than the 240's. Seems like it did so so with some 260's but the 300's made nice shotgun patterns.
I have to ask, do the crayons have to be purple?
Lloyd, I knew you were not a fan of jacket's. Some of your post and others on here have inspired me to give cast a try. I have had good luck with them in other calibers, including a 30-06. Although, I have not started casting my own yet. I will some day. I agree with the semi-jacket and have used them in my Marlin in the past. I also know from some of your post that you are not recoil shy. When I first got a .357 mag revolver, I could not shoot it well. I went and got a .22lr revolver to match (both smith's). I had to learn to shoot a revolver first, then I learned to handle the recoil of the .357 (which now seems like nothing) and now I need to work my way up with the .44 mag. I am shooting it well and managed a 2 in group at 80 yards with some left over factory loads I had. But my cast loads, were grouping in the 6 to 8 in range. Am glad I shot the factory load group before I left that day, I really thought it was more me and not the loads up to that point. I knew the loads were not doing to good as I shot some a 25 yrds that day as well. Don't worry Lloyd, I have not given up on cast yet.