Quote:
Originally Posted by J. Scott Hanes
The Cheddite primers are notorious for piercing in certain firearms in the Trapshooting world. There seems to be quite a variance in primer cup thickness which would explain why not every shell had the pierced primer.
The real issue with such piercing is erosion of the firing pin over time. The gases coming back out of the primer are several thousand degrees and will make the tip of the firing pin brittle and eventually crack off pieces. This is an issue that is resolved by either shortening the firing pin or switching primers.
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Ive read also the problem with Cheddite hulls Win 209s or other US brand primers fit loose in them . Seems the best solution is to just spend a little extra $ and go with a better hull/primer combo . Well I just looked Cheddite hulls appear to no longer be cheaper than the Federals so there doesnt seem to be a reason anymore to use those unless its as a last resort .
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