My load in my 38-55 goes like this
sarco#738 255 grain in the 38-55 BHN 10 with IMR 3031 33.5
the bullet just touces the land.I would say FPS arournd Mid: 1700 no gas checks and no barrel leading.
I shoot a williams FPR rear Peep sight and a .405 front fiber optic.I can get out to hit steel plates each time out to 500 yards.