Compression and Olde Eynsford

[alfajim]

This is a supposition type question has anyone yet shot a trapdoor with a full load 70grs of 3f old e with the 500gr gov bullet and if so what were the results?
To do so would require a lot of compression on the powder would it not like it much?
Not that I intend to do so unless it is workable it would give a boost for shooting LR out to a 1000 or just result in a bunch of in accuracy's?
Still new to this haven't shoot the rifle yet still working on it be a month or so still need to pick up some bullets for now and primers have brass.
Last would this be an possible over pressure load for a TD?:

Jim