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Old 11-10-2012, 09:52 PM   #11
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I wouldn't say that there is a set time or number of chamberings that a round can take. Inspect rounds for signs of obvious wear or nicks on case rims, and check bullets for set-back. Other than if you start to have doubts about the reliability of the ammo then get a new box and fire off your old rounds.

I don't know about the finger oils theory. Other solvents and gun oils maybe.

Even exposure to water is not necessarily the end of ammo. I recently forgot to remove a mag from a jacket pocket before my wife did laundry. I no longer wanted to bet my life on those rounds working, so I took them to the range and every one of them fed, fired, and ejected. They even grouped well.

So, there is no magic number or ammount of time that renders them unreliable. But if you have doubts, it's time for a fresh box.

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Old 11-10-2012, 11:16 PM   #12
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Every time a bullet hits the feed ramp during chambering it might be driven back into the case a few thousandths.This is cumulative and again might create a high pressure issue after an undetermined number of chamberings.
I check OAL on any ammo that I think has been chambered more than a few times(this only occurs with my EDC ammo) ,and have found several that were 8 or 10 thousandths short, so I set them aside for practice ammo.

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Old 11-10-2012, 11:34 PM   #13
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I think caring a Revolver,? Would stop all of this worry.?

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Old 11-11-2012, 02:22 AM   #14
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Quote:
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I think caring a Revolver,? Would stop all of this worry.?
Oh there we go. someone trying to take the easy way out.
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Old 11-11-2012, 03:39 AM   #15
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Quote:
Originally Posted by AsSeenOnTV

Like I have said Blueguns, I have heard the theories, but have never seen or known anybody that had a failed ignition from a overly-handled round. Doesn't mean somebody else hasn't experienced it either, though.

Shotshells would be included in the oils theory.
You could seal them like the military does, and not worry about it. Just watch the bullet seating depth though.
Nothing wrong with occasionally shooting your defensive ammo and keeping 'fresher' rounds in the magazine when your life is depending on them.
I understand that is not (as far as we know) a fact. I was just curious as to extent of the theory, because it wasn't something I'd heard before.

I don't usually keep my hd rounds all that long. After a certain amount of time they tend to see some aggressors in the form of water jugs.
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Old 11-11-2012, 03:59 AM   #16
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.................

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Old 11-11-2012, 04:58 AM   #17
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Unless you are a star of Jersey Shore, you probably do not have sufficient oil on your hand to EVER affect a primer. Modern primers are damn stable and very resistant to moisture and oils (even WD 40). I have seen plety of rounds go through a full wash and dry cycle in the pocket of a pair of jeans and STILL go bang w/o any drama.

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Old 11-11-2012, 03:32 PM   #18
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unless you are a star of jersey shore, you probably do not have sufficient oil on your hand to ever affect a primer.
roflol!!!!!!
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Old 11-15-2012, 04:21 AM   #19
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"SET BACK" increases cartridge ignition pressure which is a bad thing. To eliviate this pressure, you just need to rotate your rounds in the magazines.
ST~

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Old 11-15-2012, 11:13 AM   #20
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I've made it a habit to cycle my loads even in my revolvers every few weeks. Never had a solid reason for it, just figured it was a good idea.

I also think it's a good idea when loading to give each round a good look-over before you put it in the mag or cylinder. Rarely, if ever, will you find a factory flaw but it has been known to happen.

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