K98 Blowing Primers, Any idea ?
- Thread starter Megaclocker
- Start date
Found out that the tip of the firing pin is not perfectly round. (hard to picture).
Here's a picture of the bolt face and from an unfired round in case you guy find something odd. I also added a picture of the firing pin protruding a very tiny bit out by doing the firing pin safety shoulders test.
Here's a picture of the bolt face and from an unfired round in case you guy find something odd. I also added a picture of the firing pin protruding a very tiny bit out by doing the firing pin safety shoulders test.
Brutus
CGN Ultra frequent flyer
Before you go and mess around with your rifle firing pin ($$$).......maybe you try some other factory ammunition first.
Especially if your rifle is in it's original caliber.
Mauser rifles are the Panzer tanks of surplus rifles if unf@cked with. Look hard at the ammunition problem first off.
S&B is known to load their ammo on the very warm side IIRC.
And if you do decide to mess with your firing pin, ensure to locate a spare first off that will work in your rifle.
my two bits
Especially if your rifle is in it's original caliber.
Mauser rifles are the Panzer tanks of surplus rifles if unf@cked with. Look hard at the ammunition problem first off.
S&B is known to load their ammo on the very warm side IIRC.
And if you do decide to mess with your firing pin, ensure to locate a spare first off that will work in your rifle.
my two bits
Last edited:
Shortened it to the drill bit width (0.063). Will retry the S&B on Tuesday and I'll also go grab a box of Remington or Federal at the local store to test.
Will keep you updated.
Thanks !
Protusion should be between 0.050" to 0.065"
The flatened primer looks lik a hammered primer - when the case is pushed forward under firing pin strike and then the head comes back crushing the primer - which already backed upon pressure push.
Maybe check the headspace or the case headspace; this situation sometimes happens when a case is OK min and a chamber OK max.
The flatened primer looks lik a hammered primer - when the case is pushed forward under firing pin strike and then the head comes back crushing the primer - which already backed upon pressure push.
Maybe check the headspace or the case headspace; this situation sometimes happens when a case is OK min and a chamber OK max.
I don't have any 8mm gauges on hand sadly... Local shop doesn't have 30-06 gauges, soo I assume they don't have 8mm either.
If that helps, barrel is a new Yugoslav barrel (at least it looks brand new). This is a Yugo refurbished K98.
Bolt is matching if that means anything.
I tend to agree with this. It also happens because of just HOW the cartridge is loaded into the rifle. The Mauser system is "controlled" which means that the rifles are designed to be loaded from the magazine. The bolt face pushes the cartridge forward into the chamber but the groove in the base pops up BEHIND the extractor. If a cartridge is simply dropped into the chamber, then the bolt closed, it is VERY possible that the extractor will push it too deep into the chamber, collapsing the shoulder a bit producing excess headspace because of the shortened cartridge. When fired, you get much the same results as the blown primer cartridge shown.
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