type 97 bolt face pitting

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Cleaned a type 97 today has approz 1200 rnds through it reloads and factory ammo no corrosive ammo

the bolt face has several holes around where the primer edge would be pitting not holes

anyone else seen this on a type 97 bolt?

added a pic

ar4H3q9.jpg
 
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All guns do this when primers pop pin holes. Winchester primers a few years back had a bad batch and they did this. My savage 10 has a few pits in bolt face. It’s not the end of the world.
 
shoot_to_kill said:
All guns do this when primers pop pin holes. Winchester primers a few years back had a bad batch and they did this. My savage 10 has a few pits in bolt face. It’s not the end of the world.
Click to expand...

i hadnt noticed any popped primers or anything out of the ordinary with the spent cases

only change in the reloads is federal primers as we ran out of winchester

after 5K+ through ar15s we did not see this bolt face wear thats why the concern on the type97
 
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Ya if you were running winchester primers thats prob what did it. They get a little pinhole and cut that pit like a torch. Your bolt face is getting kind of bad. Mine only has a pit or 2
 
shoot_to_kill said:
Ya if you were running winchester primers thats prob what did it. They get a little pinhole and cut that pit like a torch. Your bolt face is getting kind of bad. Mine only has a pit or 2
Click to expand...

No i was using federal primers i ran 1000;s of winchester primers through my ar15's with no problems

Im going to order a new bolt and run this one till it dies if it dies
 
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