The biggest problem I found with sizing cases in the C-H die was that the die is not vented. It was air which was trapped ahead of the shoulder which was causing the shoulder to dent; not lube. I cured this by drilling a vent hole in the sizing die. The 256 case is slightly more tapered than the 06. The shoulder diameter is greater on the 06 which is why the air got trapped. Another way to form the cases which worked out well was to first set the shoulder back with an 8x57 die. This reduced the shoulder diameter as well and eliminated a lot of the trouble. By the way, I have always had better luck annealing after forming. Annealed brass is often too soft and more likely to collapse.
Loads from the Number One Speer manual are often very hot! One definitely wants to work up. 58 of 4831, behind a 140, is usually too hot in a 6.5/06 and I can't get near that in my Newton.
