Re: LOAD DATA
Finris, If you really want to shoot the 173 HV then I would recommend having the throat in your rifle cut very short. There will be a difference of as much as .25 in optimal throat length between the 240 MK, and the 173 HV. The HV will need the short throat while if you used that short of a throat with the 240 MK you will loose to much case capacity. Are you planning to use a magazine or go the single shot route? In a single shot role you could load a couple of dummy rounds of each and figure out a length that works as a happy medium. The problem is that you need a few of the driving bands in the neck of the case to ensure proper seating, with good concentricity. Once you play with a each bullet side by side you will understand what I am talking about.
Working to improve hit probability.