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Hodgdon appears to have the leverevolution powder up on it's online database now (at least it's the only thing I can find that could be abbreviated to "LVR"). http://data.hodgdon.com/cartridge_load.asp
For a 170gr bullet it shows 33.0-36.3gr (36.3gr listed as compressed) with no specific primer data.
2145-2332fps over that range.
The starting load velocity is listed as higher than most of the other powders max load velocities with 170gr bullets. Only other close contender is CFE 223.
I can't find any other Hodgdon powder that could possibly use "LVR" as an acronym so I guess it's LEVERevolution? Also if you switch cartridge to "any" then the LVR powder is only listed for lever rifle cartridges.