just ran into a problem. im using 130 grn speer HP's. hogdgon website ( which you get redirected to from IMR's website) said max load at 51.0C at 3153 fps i did this and the powder comes all the way to the top of the neck. minimun load is 45.9 at 28XX fps. my Modern reloading book says to use H4895. is there a difference in the two powders? and if so how do i go abouts keepin my IMR powder and using it? Thanks for your help.