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AR15.COM
5/9/2005 8:44:58 AM EDT
OK, I think I already know the answer to this question but I want to verify it because this is important.  I have heard that the early manufactured glock .40s have a tendency to blow-up.  I bought a glock 22 for home defense last december.  I am pretty sure that it was ordered from the factory at that time.  Does this mean that (with factory loads) this gun is not a danger for kabooms?  I am sure that by then the kinks were worked out, but I am a little paranoid as my wife loves shooting this gun and I don't want it blowing up on her.  So please tell me that I am stupid for asking if this late in the manufacturing process I need to be concerned.  Is there any way that I can be 100% by looking at my glock (serial number or something?) that it is not one of the early weaker models?  And if it did kaboom, (I know its unlikely, but this is my wife we are talking about here), would there be a real danger to the shooter or would the gun just be ruined?  


Also, can anyone point me in the direction of how I go about converting this pistol to 9mm if I decide to?   And any suggestions on how to mark the pistol to indicate that it is no longer a .40 glock 22 after (if, big if) I convert it, so that my great grandkids who get it passed down on day don't go trying to shoot .40 in it?  Thanks.


p.s.  Sorry if I ask stupid questions, I know how some people like to rag on newbies.  I grew up with rifles and consider myself pretty knowledgable, but my experience with handguns has been much less in comparison.  Safety (especially when it comes to my family and wife) is more important to me than looking stupid.  Any help would be appreciated.
5/9/2005 8:49:16 AM EDT
[#1]
Using standard factory loads you should be good to go.  Does your G22 have finger groves and a light rail?
5/9/2005 8:50:50 AM EDT
[#2]
Yes it does have finger groves and a light rail.

I guess this means its good to go then?

Thank you I really appreciate it.  
5/9/2005 8:52:13 AM EDT
[#3]
That means its third generation.  You should be fine.  Happy shooting.

ETA:  The only stupid question is the one you don't ask.
5/9/2005 8:54:37 AM EDT
[#4]
Internet Rumor!


I take it you don't reload for it if that is the case just don't re-chamber the same round multiple times.  Multiple reloads can set the bullet deeper in the case and cause a dangerous condition.

Don't shoot A-merc ammo.

If you want to convert it to shoot 9mm buy a 9mm upper and change the ejector.  I had one and it never was quite correct.

I do reload for my G-35 and I shoot it with the factory barrel and have never had any problems at all a I shoot it a lot.
5/9/2005 8:59:08 AM EDT
[#5]
I have an older G22 that I have put 1000s of rounds through.  It rides in my car every day and I trust it.  

One note is that you should NOT use ammo that is bare lead.  The barrels in the Glocks don't like that.  Always use jacketed ammo and you should be good to go.

5/9/2005 9:47:45 AM EDT
[#6]
Yeah that is a good point about the lead.  Maybe thats what was really causing the problems.  I did some research and read in a book that the lead builds up in the barrel because of the type of rifling (the rifling being so hard and durable that it shaves off lots of lead I guess) and after it builds up enough, well you know the rest.

Thanks for all the help.  I don't think I will convert, it just works to well as it is and i don't want to mess with that.

One more thing, how many rechamberings do you think are acceptable?  One or two should be go to go correct?
5/9/2005 10:23:03 AM EDT
[#7]

Quoted:
One more thing, how many rechamberings do you think are acceptable?  One or two should be go to go correct?



Are you talking about reloading brass, or chambering a round out of the mag?
5/9/2005 10:27:38 AM EDT
[#8]

Quoted:
....how many rechamberings do you think are acceptable?  One or two should be go to go correct?



AFAIK, the only way to know for sure is to measure.  I have run into ammo that was prone to bullet setback (it wasn't handgun ammo, though).  

With my carry ammo, I've rechambered the same round 10 times in a row  and then measured the cartridge with calipers to check for bullet setback.  None was detected.  Even so, I'll still measure those first two rounds occasionally just to be sure (but only if those cartridges have had several re-chamberings).  I've never had a problem with Federal Hydra-Shok or Speer GD's setting back.
5/9/2005 10:28:44 AM EDT
[#9]
I wouldn't do it more than two or three time at most.  This is where all the KB rumors got started any way.  Cops were clearing and re-chambering the same rounds multiple time and then when fired it would splode.  If you are real curious, chamber a round and measure the OAL re-chamber and repeat until there is set back.  It may or may not happen every time which is why I would say to not re-chamber rounds very often.