Re: Introduction and Load Density Question
hello and welcome.
IMHO a compressed load has a major disadvantage... if you have low neck tension you will have a hard time getting a consistent seating depth. Generally speaking the better powders for a given bullet cartridge combination will usually be pretty full. However, as boomtube said if it works it works.
ALso, it is not a good idea to use a powder that fills the case only partly full due to the possibility of having a poorly ignited load. This can actually lead to excessive pressure believe it or not! I've heard of cartridges like the 243 having this problem with certain powders.
Most of the loads I shoot out of my factory rifles will have some wiggle room (more than I would have expected, but not so much to be dangerous).
Also, as far as the sweet spot goes, it has more to do with the specific pressures and vibrations of you rifle than the velocity. All of these change with the smallest alteration. Even if you have a load that preforms extremely well with a (example) 180 grain ballistic tip, switching to an accubond will change some pressures due to the slightly different jacket. and switching to a Sierra or a Berger of the same weight will definately change things up. But, if your particular loads tested better at 2975, than so be it as long as your not overloading and pushing the limits ;)
I used to re-load but now I "hand-load".
-- Well, at least I try