primer ring on b face

whitey07

CGN Regular
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probably a stupid question but with my mosins and surplus ammo i get a primer ring on the bolt face .on all of them too ,why is this and will it wreck the bolt head eventualy ? thanks in advance
 
It's from large primer pockets with not-quite-large-enough primers which weren't sealed absolutely perfectly: gas-cutting. You could get rid of it by going to inside-primed ammunition..... except that none has been made since about 1868.

One thing about it is this: the Russians used corrosive primers until quite recently (if they have changed their military ammo at all, that is) and so that is a good point for the collection of corrosive salts. Really good reason to clean the bolt-face as well as the bore after shooting.

If your rifle does not have a primer-ring, it means that the critter has a new or almost-new bolt-head.

This is a regular thing with rifles, shows up more with higher-pressure loads and corrosive primers. I have any number of Lee-Enfields (a lower-pressure round) with obvious primer rings. There is even the faint beginning of one on my Garand.... and it has had only 240 rounds of military ammo through it.

Just one of those things we gotta live with...... like death, taxes, bureaucrats, lice, fleas, ticks, mosquitoes and so forth.

Hope this helps.
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