Would anyone have a list or an opinion on what's the hardest to softest large rifle primers?
Only really interested in common brands ; Winchester, CCI, Federal etc.
Thanks.
tarnagulla wrote:Among pistol primers at least, Federal are considered the softest. I can't say for sure if that also applies to their rifle primers though.
tarnagulla wrote:Well, for all practical purposes, is that not much the same thing?
Chronos wrote:A simple guide is that "Match" primers like the CCI BR4's and Federal match primers are harder. the use a harder (thicker?) cup to resist the harder impact of a heavier firing pin string used in competitions rifles to shorten lock time.
sneaker wrote:Chronos wrote:A simple guide is that "Match" primers like the CCI BR4's and Federal match primers are harder. the use a harder (thicker?) cup to resist the harder impact of a heavier firing pin string used in competitions rifles to shorten lock time.
What's shortening lock time?
Chronos wrote:The heavier the firing pin spring the faster the pin moves forward and the shorter the lock time. in almost all situations a shorter lock time will improve the accuracy of a rifle, particularly in slower moving cartridges like in rimfire rifles
headspace wrote:I only use CCI primers and BR4 in small rifle exclusively.