IF you use Hodgdon's posted Lever Gun Data for the 45-70 and the 400 grain bullet w/H4198, a Max lever gun load is actually a midrange Ruger#1 load for the same bullet and powder. Now NFG, why would you think published data is confusing?
BB
Not confusing, Hodgdon is just one source & anyone who has loaded awhile understands there is a good deal of variance from one Manual to another. And of course, pressure can increase a great deal from "Mid-Range" to MAXIMUM. Yes, an experienced reloader will watch for pressures allways, but many are not that experienced & have no pressure testing equipment & should use a source showing loads more in line with the weapon being loaded for, if that were not true the manuals over the years would not have 2 & sometimes 3 load levels for the 45/70, they would have just said we have 1 source, just stop when it gets hot for your rifle. By the logic of some here, you could advise some that it's OK to load the Trapdoor to the lower & in a few cases mid-level Marlin loads with more mild Marlin sources, why not use Trapdoor data if you shoot a Trapdoor & still watch for pressures?
Despite the bobbing & weaving dance here, it never hurts to look at the original question.
The question: "Can it be loaded to Ruger1 or modern rifle pressures?" In other words, the same pressure limitations as Ruger rifles, which would by any logic mean the entire data & not trying to guess exactly where "mid-range" is for the weaker NEF or a Marlin. The answer goes back to why there is Marlin data & why not one Manual will suggest the NEF is in the same league as a Ruger when it comes to pressure.
NO, THE HANDI IS NOT AS STRONG AS THE RUGER PERIOD.