I ended up finding rounds for my Marlin Model 1881 Cal 40-60 from BlackHills Powder and Ammo they have a 245Grn Flat nose slug with 60Grns of FFG black powder a 20 round box was about 30$ plus shipping, but I want to tell you it kicked like a mule Ive never shot a 375H&H but Im sure that Ole Marlin of mine was real close, it was the most fun makeing white smoke I ever had and it didnt group that bad at 100 yrds @ 1"
