Or lack of annealing prior to reloading.
Interesting split cases
- Thread starter Trekker
- Start date
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Or lack of annealing prior to reloading.
Their probably using Chinese brass. The Chinese are notorious for having poor metal processing.
pcfixer
Ultimate Member
Split brass usually happens from being reloaded to many times. I call this metal fatigue.
Metal fatigue does occur from work hardening the brass during reloading true. However, if you look at the OP's cases, it is pretty obvious that they have not been reloaded much if at all.
- Feb 4, 2013
- 28,175
You can't resolve extractor and ejector marks. They accumulate.
Proper annealing lets cases last many reloads. That's the point of doing it.
There is minimal marking of the cases. Cases that are reloaded and shot get little nicks from extractors and case holders and marks from where the die stops at the case holder. Looking at them again, they may have been only fired once.
I was going to toss out a 9mm revolver as a possibility to explain the lack of extractor/ejector marks, but you got me on that one.
I've been watching this thread hoping for a definitive answer other than "bad Remington brass," because I've got a whole lot of Rem 9mm
I googled 9mm fired from .40, but they bulge more. I wonder if it could have been fired from another similar (but wrong) caliber
clandestine
AR-15 Savant
I have seem storm pistols do this. Maybe something about the rotating barrel?
- Feb 4, 2013
- 28,175
Pale Ryder
Ultimate Member
The R in R-P tells you everything you need to know. Remington ammo in my experiences have an elevated failure rate over competitors. I've had two rounds from one 20 round box of 30-06 fail to fire, this was years ago and that rifle has never had that problem before or since.
I am no expert, but those two fired primer strikes look completely different, like they were fired by different pistols. I say just your usual UMC cheap ammo.
I am no expert, but those two fired primer strikes look completely different, like they were fired by different pistols. I say just your usual UMC cheap ammo.
Magnumite
Ultimate Member
I have never had a single failure or substandard performance from Remington centerfire ammo. Much of it has been excellent.
Last edited:
- Feb 4, 2013
- 28,175
Same here.
And I have a lot of Rem/RP /45 ACP brass I have reloaded and fired many times without issues.
Magnumite
Ultimate Member
R-P is one of the cases I use for top end 44 Magnum loads. Incidence of case splits are lower than with many other brands. My scond choice to mag loads is Federal
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