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Remedy for 125 gr Remington UMC 357 jumping crimp
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Have some factory UMC/Remington 125 gr .357 magnum ammo. It's locked up the cylinder in multiple guns. I finally realized it's "jumping crimp" to tie up the cylinder.

Unfortunately, it's a value pack, and I've got lots of rounds left.

Should I just adjust my .357 die and re-crimp all the remaining rounds?
 
Posts: 1734 | Location: Maryland | Registered: 17 January 2004Reply With Quote
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Originally posted by skl1:
Have some factory UMC/Remington 125 gr .357 magnum ammo. It's locked up the cylinder in multiple guns. I thought it just had overly thick rims or was expanding on firing. I finally pulled the unused rounds out of the cylinder and two had bullets sticking out of the case way beyond the crimp. I realized it's "jumping crimp" to tie up the cylinder.

Unfortunately, it's a value pack, and I've got lots of rounds left.

Should I just adjust my .357 die and re-crimp all the remaining rounds?
 
Posts: 1734 | Location: Maryland | Registered: 17 January 2004Reply With Quote
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I would just recrimp
 
Posts: 19711 | Location: wis | Registered: 21 April 2001Reply With Quote
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Thanks, P dog shooter. That's what I think I'll do.
 
Posts: 1734 | Location: Maryland | Registered: 17 January 2004Reply With Quote
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Or just load 3 or however many it will hold before the bullets jump out. And shoot them up.
 
Posts: 17374 | Location: USA | Registered: 02 August 2009Reply With Quote
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