Looking at .410 last night. separated out my .410 hulls.. started looking at load data in my lyman manual... pretty much all I had was H110 and imr 4227. those 2 powders were available for about 85% of the loads in the lyman book in 2.5 and 3" shells .. the lyman manual basically has 1 page for federal and remington hulls, and then 2 pages for winchester hulls.. HS and non HS.. and that is for 2.5" and for 3".... so that's 8 pages of data.
Today since I was able to set at a computer i started looking... Hodgdon's web site does not list any imr 4227 data for any winchester shell in 2.5" but did appear to be in the lyman manual ????? Anyone know why?
( not to mention that i was surprised to see pistol powders only.. pretty much for .410.. and none of the ,dot, powders... )