buck460XVR
Member
I will respectfully disagree. Just because the manuf hasn't bothered to test a given powder/bullet combo does NOT mean it is unsafe, just untested. Just about any powder can be used to some extent in any caliber. It just requires some extrapolation..
I have to respectfully disagree to this. Powder/bullet manufacturers will test any powder they think is appropriate and will work well. They just do not publish data for powders tested that do not perform well or are not really suited for the application. This is the case for the .500 mag. and using rifle powders. Can one use a rifle powder? Sure, and the fastest rifle powders like IMR4227 are a prime example. It is my go to powder in .460. Problem is, when you go to slower rifle powders, you can't get enough of it in a case to give anything more than mediocre .500 mag performance. Why the 'ell does someone buy a .500 mag if they are not looking for performance.
Buy an appropriate powder that is proven to work well for the application/caliber and move on. Sending bullets downrange with an inappropriate powder that only gives mediocre performance is just a waste of good bullets.