I have worked up a couple of loads using the Ramshot Hunter as well as the Magnum and both work very well for the calibers used. I haven't had enough time to get down to the real nitty gritty and check on any temp issues but everything else has worked out very well. The load from my .270 using the 130gr Hornady SST is running just over 3000 fps from my 22" barrel with no pressure signs and grouping around 1/2" at 200yds. I haven't tried it on deer yet but it drops hogs well out to 300yds and fits the Burris ballistic plex perfectly out to 400yds.
I did a limited amount of work using the Magnum with my STW this past week and found that it is showing some very good velocities with 160gr bullets as well. Hopefully I will have a chance sometime after the first of the year to work on it some more but for now I have other critters to skin.
Mike / Tx
"Heck why would I lie, most folks don't believe the truth when I tell them"