adjutable rate of fire

Discussion in 'General Rifle Discussion' started by gabrieldragonroy, Oct 8, 2011.

  1. gabrieldragonroy

    gabrieldragonroy New Member

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    is ther a trigger mecanisme that let you adjuste the rate of fire on a full auto?if yes what gun?and is ther more than one type?
    thank guy
     
  2. c3shooter

    c3shooter Administrator Staff Member

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    Hi Gabe- welcome to the forums. When you get a minute, stop by the intro thread and say hello.

    To answer- no, have not seen one. There ARE fire control mechanisms (not the trigger per se, but associated parts) that will shoot "burst fire"- that is- 3 or 5 or whatever shots on full auto, and then stops until you pull the trigger again. The M4 variant of the M16 has a tri-burst mode.

    The RATE of fire is generally controlled by other parts of the weapon, such as gas system, buffer system, etc.
     

  3. JonM

    JonM Moderator

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    on legal nfa registered:

    direct blowback operated firearms like the mac10 types and uzi types you can slightly change the rate of fire by increasing bolt weight.

    on a m60 you can increase the rate by putting a spacer in the appropriate location in the gas piston but it will quickly hurt the gun.

    the best way to control cyclic rate is by the operator excersing proper trigger control.
     
  4. trip286

    trip286 New Member

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    The M240 has an adjustable gas regulator. The M249 does too, but I never noticed any difference regardless of how I set mine.
     
  5. c3shooter

    c3shooter Administrator Staff Member

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    John- try tucking a washer behind the buffer in a 60.

    But don't ask how I know about that.
     
  6. KingTiger

    KingTiger Member

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    As mentioned, changing the bolt weight in a M11/9 lets you change the rate of fire.

    The stock upper runs about 1200 RPM.

    With 3 different bolts for my Lage upper I can run -

    550 RPM
    725 RPM
    900 RPM
     
  7. gabrieldragonroy

    gabrieldragonroy New Member

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    ya and you can to by changing the volume in the gas piston(never do that)
    but what i was thinking a trigger system that can be change when you change mag or while shooting.
    the only thing i found was a old german chain belt heavy machinegun that let you change the rate of fire with a hallen key
    i try to get the blue print but the gun is out of commision,recycle and the compagnie close
     
  8. Soliferrum

    Soliferrum New Member

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    ......what?
     
  9. trip286

    trip286 New Member

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    If its adjustable by and chain driven it's probably an old aircraft mounted gun.
     
  10. gabrieldragonroy

    gabrieldragonroy New Member

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    actuly the men that operated the gun had german helmet but ther din'th look german and it was tripod mount and the video was in black and white.
    ther could change the rate of fire when ther were shooting
    but when ther did the gun shake so much make them look like moron
    at one point ther just leave the hallen key in the socket and at the end of the video it was weld in it socket
    it would be intressting to mounth that trigger mec on a modern machinegun