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How does a gas-operated system work?

Discussion in 'Rifle Country' started by ZeppelinM16, Jan 2, 2010.

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  1. ZeppelinM16

    ZeppelinM16 Member

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    How does a gas-operated system work? Any helpful links?
     
  2. Boba Fett

    Boba Fett Member

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  3. rogertc1

    rogertc1 member

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    Google is your friend.
     
  4. mcdonl

    mcdonl Member

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    So is THR. Most of the times I google something I end up here through search results. That is what THR is for, IMO... don't answer if you dont want.
     
  5. briansmithwins

    briansmithwins Member

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    Here's a good start: http://en.wikipedia.org/wiki/Gas_operation

    Gas operation is one of two ways to power a self loading firearm, not counting systems that use external power, like Gatling guns or chain guns.

    The other way is using recoil. Browning design pistols (1911, Glocks), the M2 machinegun, and the Maxim MG are all recoil operated systems.

    In short, gas operated systems use the pressure generated when a cartridge is fired to cycle the action. The piston can be the cartridge case itself (called blowback), a separate piston fed thru an orifice in the barrel (M1 Garand and countless others), or trapping gas from the area of the muzzle (G41).

    Hope that helps. BSW
     
    Last edited: Jan 3, 2010
  6. mcdonl

    mcdonl Member

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    Thanks! That explains why my SKS doesn't operate propery when the gas tube is dirty.
     
  7. briansmithwins

    briansmithwins Member

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    You got a SKS dirty enough to quit working?

    Wow!

    My hat's off to you. I;ve never been able to get one that dirty. BSW
     
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