A friend of mine is having troubles with his seating die. I have not been over to his place to check out his setup. Maybe some of you can diagnose the problem. He reloads for his 270 rifle and for his 357 magnum revolver without any problem but when he seats bullets in his 38-55 Winchester they bulge the case on one side. The case does not buckle but it bulges, like the bullet is not properly centered. The cases are so badly bulged that he cannot chamber them in his Marlin 336 Cowboy rifle. He has run new cases through his sizing die and then belled them and then seated the bullets (he has tried both a Lee and an RCBS seating die. Both new dies cause this problem. He is confident that he is using the correct shell holder. Any ideas what could be the problem? The bullet he is trying to seat is the Laser Cast (from Oregon Trails Bullet Co.) 240 RNFP. He thinks the problem might be that the seater plug is coned/dished out like for conical bullets but his bullets have a flat point and so maybe the seater plug is forcing the bullet to tip as it is being seated. Could that cause this problem? He said his bullets have a diameter of 0.380” which apparently is the correct diameter for the 38-55. Thanks, Brian.