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Author Topic: Bullet seated to deep  (Read 1792 times)

LoneStarNational

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Bullet seated to deep
« on: November 14, 2009, 04:08:23 pm »
Not really a reloading question, but this seemed like the place to ask.

I've got a box of factory loaded Corbon 7.62x39 hollowpoints that I use in a CZ-527 carbine for short range deer hunting.  I was sorting out all my ammo this afternoon, and I noticed a cartridge that was visibly shorter than all the others in the box.  I eyeballed it at 1/8th an inch short, which seemed like an awful lot, so I put it to a tape measure and got 3/32 of an inch. 

Upon inspection, I determined the brass is the correct length; the flaw is in the depth of the bullet in the brass.  It is seated too deeply, I suppose, as compared to every other cartridge in the box. 

Is it okay/safe to fire a round like this, or are there like... i dunno... issues (I'm not a reloader here).  Like with pressure spikes or anything?
Texas"...a long habit of not thinking a thing wrong gives it a superficial appearance of being right..."  -Thomas Paine

"You all can go to hell... I'm going to Texas."  -Davy Crockett

"Thumb back that hammer, watch that cylinder turn, and try not to s*** yourse

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    JesseL

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    Re: Bullet seated to deep
    « Reply #1 on: November 14, 2009, 04:15:15 pm »
    There is definitely a risk of a pressure spike with a set back round. I'd dispose of it (or use a puller to pull the bullet then reseat it, but you're not a reloader).

    Same volume of powder in less space will always equal higher pressure. What makes it worse is that that slight increase in initial pressure can cause the powder to burn faster and increase pressure even more. When a load start off close to it's maximum pressure, it only takes a little bit going wrong to make it increase exponentially.
    Arizona

    LoneStarNational

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    Re: Bullet seated to deep
    « Reply #2 on: November 14, 2009, 04:27:02 pm »
    Thanks jesse... that's kinda what I was thinking.  I just wanted to make sure before I disposed of it.  Tossing a bullet makes me feel.... guilty.  Like pouring out beer.
    Texas"...a long habit of not thinking a thing wrong gives it a superficial appearance of being right..."  -Thomas Paine

    "You all can go to hell... I'm going to Texas."  -Davy Crockett

    "Thumb back that hammer, watch that cylinder turn, and try not to s*** yourse

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