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How many times can you load the first round?

Discussion in 'General Firearms Forum' started by Metal Angel, Feb 14, 2012.

  1. Metal Angel

    Metal Angel

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    So I didn't really think about it until some ammo manufacturers started coming out with the crimped bullet (or whatever it's called) that prevents the bullet from sliding back into the brass... If my cartridges don't have that feature, how many times can I chamber a bullet before its no good? I line up my carriages every few days now to make sure they are all the same height... But I did notice they are getting scratched up...
     
  2. Metal Angel

    Metal Angel

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    The one on the right looks like it has exposed lead... That can't be good.


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  3. sourdough44

    sourdough44

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    Any bullet 'setback' is cause for real concern. While not getting anal about it, I try to rotate within reason. There was an incident from a few years back where an agency would always unload, & rechamber during shift change(prison I thought). That 1st bullet was chambered multiple times, which eventually lead to setback. To me a few scratches are no big deal.
     
  4. Sheepdog Scout

    Sheepdog Scout Behind you!

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    Who knows?
    It's not a problem really, if you have a gun like a Beretta 92 that you can load from the barrel/chamber.
     
  5. Depends upon your gun.

    I had a 1911 that would set back rounds on the 2nd chambering, even FMJ occasionaly.

    Tried repeatedly chambering the same round in my glocks and after 20 times and no measureable set back I gave up.

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  6. rockabillyrider

    rockabillyrider

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    Maybe it's just me and I need more coffee but the grooves cut into those bullets may be a sign that when chambered they are making contact with the rifling of the barrel. That is another thing to avoid.
     
  7. Bruce M

    Bruce M

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    I would be much more concerned about differences in height/overall length than scratches on the bullet.
     
  8. ChrisJn

    ChrisJn "Old Bill"

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    Just as much of a danger is that the back end of the round gets scratched to hell by the extractor with the constant re-chambering. I have seen some so bad that in a real life situation the extractor would not be able to do its job properly and you would have failure to feed the second round.
     
  9. Metal Angel

    Metal Angel

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    Oct 20, 2010
    How do I avoid that? It's a glock 19.
     
  10. Metal Angel

    Metal Angel

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    Oct 20, 2010
    If you mean loading by sliding it in the chamber manually (like a single shot) I heard that is bad for the extractor...
     
  11. M&P15T

    M&P15T Beard One

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    Arlington, VA.
    You can tell for yourself by re-chambering the same round multiple times. I would imagine your G19 will cause set-back within a few re-chamberings.

    How do you avoid this? Load the pistol and leave it alone.
     
  12. fastbolt

    fastbolt

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    CA Central Coast
    Yes, repeatedly chambering and ejecting the same unfired cartridge can cause potential problems in semiauto pistols.

    This subject has surfaced in various armorer classes, and the answer has generally been the same. Not a good practice.

    Bullet setback is real, and it can cause problems, some of which can possibly damage the firearm and cause personal injury. Hardly surprising.

    In one armorer class, the potential for a bullet setback condition to cause damage to the gun was referred to as an "over pressure event". :whistling:

    In the latest Glock armorer manual the subject is discussed.

    After an explanation of "Set Back", a Bold & All-Cap statement is included" DO NOT CHAMBER AND EJECT THE SAME ROUND REPEATEDLY!

    Seems simple enough, doesn't it?

    Even if bullet setback doesn't occur, the case rim & case mouth might become damaged and introduce the potential for functioning issues.

    I remember when one armorer explained how the case rim had been so mangled by a cop having repeatedly chambered & ejected the same round, that it reached a point where the extractor couldn't pull the round from the chamber, despite repeatedly retracting the slide while trying to clear the chamber.
     
    Last edited: Feb 15, 2012
  13. NewWaveGuy

    NewWaveGuy BRAVIA 4 LIFE!

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    Can someone please explain what bullet set-back is? Thanks so much!
     
  14. DrtyHarry

    DrtyHarry

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    Could consistent press checking possibly cause a bullet setback? :dunno:




    Harry
     
  15. Dave.1

    Dave.1

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    In this case it referrs to the bullet being pushed deeper into the casing from repeated chambering, like the round on the left. Also notice the scratches.
    [​IMG]

    Dave
     
  16. M&P15T

    M&P15T Beard One

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    No, but since modern GLOCKs have LCIs, why would you repeatedly press-check anything?

    Jesus H. Christ, load them and leave them be!
     
  17. DrtyHarry

    DrtyHarry

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    Are you talking about Glocks only? Many pistols now have indicators. I have many Glocks, but my EDC is a 1911. And yes, I got into the habit of press checking every time I leave my house. I know the round is in the pipe, but seeing it makes me feel more secure.



    Harry
     
  18. Glockdude1

    Glockdude1 Federal Member CLM

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    I loaded the same round in my S&W model 66 over 300 times.

    I give up.

    The bullet never moved back at all.

    :cool:
     
  19. Metal Angel

    Metal Angel

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    Oct 20, 2010
    I like to keep a round at the grid when I'm carrying, but not when my gun is at home... So I chamber and eject once a day. If this is a problem, I will stop. Any disadvantages to keeping a gun chambered and cocked all the time?

    I keep it in unchambered at home because it feels safer... And if someone breaks in I figure I will have enough time to rack a round in. Not so much getting mugged when out of my home.
     
    Last edited: Feb 15, 2012
  20. ca survivor

    ca survivor

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    :rofl::rofl::rofl: