Be very cautious in using any kind of wadding inside a rifle cartridge like the .45-70. I know that some people swear by Dacron batting as "wadding" to keep the powder toward the bottom of the brass- but a friend of mine here in the gun club put a good "ring" in the chamber of Pedersoli rifle doing just that.

If you want something to protect the bullet, get some vegetable wads that are lubed from Circle Fly, or get some Durofelt and cut and lube your own- both of which are cost effective and keep the bottom of your bullet from scorching. However, as suggested try a bit heavier load first.

On the wads, be certain that they are right up against the bottom of the bullet. Do not use them to hold powder in the bottom of the case which creates an air space between the wad and the bullet- a very dangerous condition indeed.

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Lost it all in a boat accident