Is there any reason I can't use Winchester 209 primers for loads that call for federal 209A? There appears to be two loads that the only difference is the primer brand and the wad. All the primers are the same right?
So as long as I use the same charge of the same powder and same shot charge the wad and primer can honestly cause it to kabloomy? Do the primers ignite with different umm, speed or something?
Not speed exactly, but the correct term is brissance. Means intensity of the flame put out by the priming compound. More flame, quicker powder ignition, higher pressure. Often referred to as a "hotter" primer.
Stick exactly to published loads, no variance. Shotgun max. pressure is only 10,000 PSI. It don't take much over that to start stretching things.
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