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echo4lima

echo4lima

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Appealing mainly to those that are armors or worked on firearms.

The round on the right is one of two that get rotated when going on shift. At the end of shift magazine gets dropped round gets ejected from the chamber, the next shift magazine goes in, chamber a round, drop the magazine put the last round back in mag (top up) and back into gun.

As you can see these top two rounds get a lot of cycling action as they used day-to-day.

What concerns me is the damage to the bottom of the casing specifically the primer. I can accept some damage to the rim due to the hardened steel of the extractor, but the damage seems a little bit strange to me. People have said going into battery over and over again could potentially cause This, but the majority of people I’ve asked said this might be normal for that firearm, Others carrying this gun say NO. I am of the opinion it probably should go to the Gun plumber and these rounds not used for duty.

For reference this is a Smith & Wesson 5946 duty issue and issued ammunition.

I’ve never seen this on 1911, Beretta 92 or Glocks.

845E519A-B014-49D5-A4FE-38F3203A256F.jpeg
 
Yikes
Those are some serious scars.
I'd send it in for a possible repair. Some of those marks on the primer are deep. That would make me nervous. None of my pistols make any marks on cases from being chambered.
 
I was just thinking.....
Is the round being damaged from chambering or when it's being extracted?
Maybe it's hitting on the slide as it's being ejected from the firearm.
I'd slowly eject one and see if the marks are still there. At least you'll know if it's getting knicked up going in or coming out.
Food for thought
 
Which ever it is doing the damage, extracting or chambering…STOP using that firearm immediately and if there is a spare at the detachment use it and sent that pistol and that round back to depot armouers. There is something very wrong with the slide face or extractor.
 
My concern with such a beat up primer is it’s almost like a ticking time bomb, when’s that thing gonna cook off from an impact due to drop or even chambering it the next time nothing like an office or a locker room pop. I think there is one in the men’s changing room at Surrey detachment lol

Yeah, that was my first impression when I saw it. Was there something wrong with the gun
 
I’m thinking a “weakened” firing pin spring allow just enough forward travel when going into battery for the firing pin to touch the primer? That doesn’t explain the case damage though.
 
scotteboy said:
I was just thinking.....
Is the round being damaged from chambering or when it's being extracted?
Maybe it's hitting on the slide as it's being ejected from the firearm.
I'd slowly eject one and see if the marks are still there. At least you'll know if it's getting knicked up going in or coming out.
Food for thought
Click to expand...
Just cycled a single fresh round through and just some small nick on cartridge rim so that’s normal. No partial strikes on primer
 
First thing to do is take it out of service and get the 5946 inspected. The rounds should be put out of service also.. Because of the design the firing pin channel can be plugged with oil and grit, that would allow the firing pin with a weak spring to move forward slightly and make contact with the primer. Clearly the rim damage comes from the round being chambered and ejected a lot. Although it has been many many years, I saw this sort of thing about 1-2 years after we were issued the 5946. Stay safe.

P.
 
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