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I'm just finishing up a Siamese Mauser in 45/70. Did a recoil calc using max loads with 550gr bullets in a 9.5 lb rifle, comes out to 57ft lbs. A max loaded 30/06 (also 9.5lbs) using 220gr bullets works out to 22ft lbs. I don't think I'll be shooting too many 550's off the bench or offhand either!

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I'm just finishing up a Siamese Mauser in 45/70. Did a recoil calc using max loads with 550gr bullets in a 9.5 lb rifle, comes out to 57ft lbs. A max loaded 30/06 (also 9.5lbs) using 220gr bullets works out to 22ft lbs. I don't think I'll be shooting too many 550's off the bench or offhand either!

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I have a load that fires the Barnes Original 400-grain semispitzer from my 7.5 pound Ruger No 1. .45/70 @ 2270 FPS MV. I calculated the recoil to be 57.5 ft/lb. To zero it, I have to hook my left index finger over the barrel to hold it down on the sandbag when it fires. I can stand about five rounds of shooting this load from the bench on any given day, which is sufficient for zeroing and group testing. It'll hold about 1.5" for three shots from the bench. This load is not as unpleasant when shooting at game, but I use the old Elmer Keith load of 53 grains of IMR 3031 with a 400-grain bullet for most hunting. However, I would use the "big boy" for grizzly or brown bear or other big thin-skinned varmints. If going for thick-skinned game, I'd choose a hard-cast lead flatnose and get close!