Light strikes from CZ 527 on Wolf 7.62x39

[hminsky]

I was shooting Wolf 7.62x39 steel case ammo in my CZ 527 bolt action, and I was getting a number of failures to fire. There was a dimple in the primers after pulling the trigger, and when I rechambered them, they fired. I think the firing pin was maybe striking just a bit light, based on the feel when I pulled the trigger.

Any idea on how this can be adjusted? I have a case of this stuff, and it's hard to find anything else in 7.62x39 these days, at reasonable prices.