Just reloaded some shotshells:
use first-fired WinAA hulld,
loaded with 69 grs FFG,
three T/C wonderwads as over-powder wads,
1-1/8 oz of #7-1/2 shot,
crimped with MEC 600JR with depressed center, not like Factory.
Will fire couple shell in M97 (1927 dated) then if no observed problems, will...