![]() The 70 grain loading was generally considered a 1350 fps load with a 405 grain bullet.Ĭlick to expand.Yes, Sir.That "Limbsaver" made by SVL (Sims Vibration labatories). That load is probably good for about 1150 or 1200 fps. The Army issued a reduced velocity load to the Cavalry, using a 405 grain bullet over 55 grains of black powder. The 1873 Trapdoor Carbine weighed in at about 6 lbs. To put it all in perspective, when the Army issued the 45-70 carbine to the Cavalry, there were a lot of complaints about the recoil. Filling the buttstock with shot goes a long way to taming this light rifle. The factory 300 grain HP's at circa 1800 fps fall into the heavy trap load recoil to me. ![]() I don't like such loads in a single barrel 12 either, and have about as much tolerance for anything discussed here. One has to remember that the powder charge has inertia too, so the 45-70 will have a little edge on something like a 2 3/4" 1 1/8 ounce trap load (1275-1350fps) but I'm not sure there is enough felt difference to matter. One way to think of it is that one ounce is 437 grains, so nominally, a 400 grain bullet at the same velocity of a similar load of shot at similar velocities is going to make similar recoil. ![]() This is what I would consider 45-70 400 grainers at 1700 fps to be like. About like 12 guage pump w/ 2 3/4" 1 5/8 ounce magnum loads. ![]()
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