johnnyk, i loaded for my friends 270wsm 1885 single shot it has a 28 inch barrel. w-wcase wlrm primer 75.5 grns magpro 130 speer boatail col.2745 1st three rounds tested muzzle velocity were 3454,3454,3392. another load tried was 66.1 gr.re-22 same bullet primer and case same col. tmv was 3275,3267,3300. for hunting loads i went back to my first load droped down to 75.1 gr. everything else left the same.said friend went out west shot two female antolope two coyotes,and a big 2point mulie that he thought was ahuge 4 point, all one shot drt, came back to wis. and shot a very nice 9 point wt. buck and 2 does. i'm very impressed with the rifle and the270wsm. try magpro men i think its an AWESOME powder period. caution work up to these loads.regards jjmp