[SL1]

Fullcry,

Large rifle primers require a deeper primer pocket than large pistol primers (because they are "higher" in the dimension along the axis of the primer/case). So, if you seat large rifle primers in a pistol case that is designed for large pistol primers, you get "high primers" sticking-out beyond the case head when they are seated as deeply as they can go.

That could be DANGEROUS because, when you fire a revolver with these primers, the gun recoils back, and as it stops going back, the cartridges continue back and bang the high primers into the recoil shield. The primers are already against the bottom of their pockets, and can't be pushed in deeper, so it is possible for the blows on the primers to fire one or more of them. Because the chambers with those cartridges are not the ones aligned with the bore, the bullet(s) may be blocked from exiting, and the chamber(s) would explode.

A lot of people don't realize that LARGE rifle primers have a different height dimension than large pistol primers, and get the idea to try swapping them because they see people swappintg SMALL rifle primers for small pistol primers. But, the situation with SMALL primers is different because the small versions both have the same height dimension.

SL1