What caused this round to explode?

[ar15barrels]

I assumed it was not a reload.

[fast54vw]

have actually found quite a few like that that I've picked up off the ground. Must be common ak problem

[Bigtwin]

Never has my an pattern rifle done that. But I have seen that in non combloc guns that steel case ammo was shot in.

[Bigtwin]

*AK

[barrage]

Commie ammo doesn't like when you aren't shooting at Capitalists or Infidels. That's my guess.

[Whiterabbit]

likely the firing pin hitting the primer

I guess noone thought this joke was as good as I did.

[heidad01]

It is a steel case and Russian made. It happens. Not uncommon to see such cases on the range.

It's steel cased so that would be a no.

[QUOTE=ar15barrels;17573722]How does the case being steel mean it's not a reload?

Well, I guess Farmer^^ (like myself) thinks that one has got to be awfully hard pressed to reload steel case AK ammo. And those pictures do not show the kind of hands that scrubbed steel ammo cases.
No disrespect to the OP, just observation.

[jdmacl]

I reload 30-06 for my m1903 and several Garands, and I'm surprised when I don't find brass like that!

[ifilef]

Looks like a deep primer strike, usually indicative of an overcharge.

Caveat: I haven't reloaded ammo for years and I am not an expert.

[Mickey D]

Nice manicure.

[curtru]

Maybe what happened was the firing pin got stuck forward and as the bolt was closing it had enough friction to stop the bolt from finishing the stroke detonating the round it of battery. Or maybe the chamber is a bit over sized. And I'm not sure if anyone has figured out that most steal cased ammo has 2 holes between the primer pocket and the powder chamber. I forget what it's called something like berden primer

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