Important Things to Know About Powders and Your Caliber and Cartridge Case
You must know that the slower the burn rate powder, the higher the powder load, for a given muzzle velocity in a given barrel length of a given bore diameter, with larger case capacities. Moreover, it is important to remember that the quicker (faster) the burn rate powder, the higher the velocity for a given powder load, and a given bore diameter.
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| This diagram is from page 183 of my book. | 
Therefore, you know that the larger the bore, the quicker the powder must be for a given muzzle velocity, and a given powder weight.  This is where using V.M.D. (volume measure density) charts come in handy to a reloader.
Go to: Precision Reloading for more information.
Coming soon:  Using V.M.D.                           
~Mac~
 
 
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