Had a Kaboom yesterday

[di11igaf]

Wow. As others have already mentioned, its an over pressure problem. I'm thinking your chamber closer to .223 Rem than 5.56, Noveske match or whatever the chamber dimensions should be. I'd contact Noveske and ask them to take a look at your barrel. They'll take good care of you.

Not sure what noveske has to do with this? Pretty sure the relevant parts are ATI.
Or are you suggesting noveske examine the barrel independently?

[KDV]

Glad you weren't seriously hurt.

[Firefly]

When you say bulk do you mean those red 100 round boxes?

I have some put away and am concerned.

[Ash Hess]

When you say bulk do you mean those red 100 round boxes?

I have some put away and am concerned.

No idea. The range sells zip lock bags of 100 rounds they say are federal bulk

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[di11igaf]

No idea. The range sells zip lock bags of 100 rounds they say are federal bulk

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That's a little sketchy- how trustworthy is said range?
Do you have any unfired left? No signs of reloaded federal cases?

[Ash Hess]

It is sketch. First time using the range ammo and have a Kaboom. Not a happy camper.

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[Ash Hess]

[Firefly]

No idea. The range sells zip lock bags of 100 rounds they say are federal bulk

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That......really is not a good sign. They could be reloads or something.

The stuff I have I got from Wal Mart.

Thanks for the update. I'd be having some strong words with whomever gave me those rounds.

ETA Which range? PM if you don't feel comfortable busting anybody out.

[Endur]

Glad everyone is ok. I do not believe I have any extra upper parts on hand but if you need any parts I can see what I have. I would be happy to donate them.

[feraldog]

The range sells zip lock bags of 100 rounds they say are federal bulk ...The range sells zip lock bags of 100 rounds they say are federal bulk

very glad no one was seriously hurt!

can one point the finger at the ammo maker when it wasn't in their packing? ie: if a 300blk had been accidently included in the baggie (even if the headstamp indicates otherwise, because i've seen 300blk reloads using reformed Fed 223/556).

having personally shot tens of thousands of "fed bulk" myself over the last 40 yrs without issue, and seen as much fired by friends, its hard to even imaging how this ammo could be the culprit. would federal even be able to get that much powder in a case to cause this? i can see a handloader mistakenly using the wrong powder, but how's it possible on a robotic assembly line?

and is it at all possible that it was caused by other things, like the round before it being a squib load that was pushed out (and that you saw hit), or tolerance issues with the bolt/barrel/chamber/timing/headspace/etc, or...

not challenging the story, just trying to understand how its possible