I shot tons of it in 7x57R, 7x57, .303, 7.62x39, 9X19, .357 Sig, .30-06, 7.62X25 and of course, shotgun shells.

Had to deepen primer pockets in 7x57 as primers sttod proud otherwise.

Never shot it in a double and have no experience with 9.3x74R.