US M1906 Multiball Cartridges

[oldcorps]

Brophy both illustrates, and gives a description of the round that is identical to mine on page 312. I wouldn't waste anyone's time on something other than a factory load. I believe the cartridge is quite scarce but he doesn't go into much detail other than cautioning to not load this type of cartridge in the magazine. Thought I'd had about every type of round for the Springfield but this is a first. Perhaps someone has other examples and some additional background data. Thanks!