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Discussion Starter · #1 ·
I have a pair of 1851 Navy revolvers that were notorious for cap jams. One is an old Armi San Marcos made gun and the other is made by Pietta. I recently equipped them with aftermarket nipples made by Slix Shot. These nipples have a re-designed combustion chamber and two lateral vent holes in the cone. That relieves the back-pressure from the exploding charge of powder in the revolver's chamber. It cured the cap jams in these two guns.

https://www.youtube.com/watch?v=Hns_tEWBFD0
 
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