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  1. #1
    Really Senior Member EddieM's Avatar
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    Gas Piston

    Hello Gents,

    How tight or loose must be the M1icon gas piston?

    Thank you in advance.

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    Advisory Panel browningautorifle's Avatar
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    If you're using the correct tool, as tight as you can get it.
    Regards, Jim

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    Really Senior Member EddieM's Avatar
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    Quote Originally Posted by browningautorifleicon View Post
    If you're using the correct tool, as tight as you can get it.
    Thanks again Jim,
    I had seen different pistons, some move freely up and down and some stay inside, that depends on how tight is the nut?

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    Senior Member Garandy's Avatar
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    Regardless of how tight or loose the nut is, the M1icon Carbine piston should be relatively free to move. Some are a little looser, some are a little tighter and are affected by things like rust, dirt and I wouldn't be surprised if using lead bullets could eventually gum up the works too.

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    Really Senior Member EddieM's Avatar
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    Quote Originally Posted by Garandy View Post
    Regardless of how tight or loose the nut is, the M1icon Carbine piston should be relatively free to move. Some are a little looser, some are a little tighter and are affected by things like rust, dirt and I wouldn't be surprised if using lead bullets could eventually gum up the works too.
    Hey Garandy,

    Thanks for your reply, yeah for sure rust, dirt, and lead would make a difference.
    Regards

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    Advisory Panel browningautorifle's Avatar
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    Quote Originally Posted by Garandy View Post
    Regardless of how tight or loose the nut is,
    Agreed, I read this again and see you mean the piston, not the nut. I wouldn't worry about the piston as it'll do it's job regardless of whether it's moving with gravity. If in doubt clean it and then don't worry.
    Regards, Jim

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    Really Senior Member EddieM's Avatar
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    Quote Originally Posted by browningautorifleicon View Post
    Agreed, I read this again and see you mean the piston, not the nut. I wouldn't worry about the piston as it'll do it's job regardless of whether it's moving with gravity. If in doubt clean it and then don't worry.
    Hello Jim,
    Yeah I mean the piston thank you, btw besides the usgi nut wrench which other tool would be appropriate?
    Regards

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    Quote Originally Posted by EddieM View Post
    the usgi nut wrench
    That's the only one that works right. Anything else can cause damage.
    Regards, Jim

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    Senior Member MGMike's Avatar
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    Quote Originally Posted by browningautorifleicon View Post
    That's the only one that works right. Anything else can cause damage.
    Amen to that!



    (Or you can cut your own out of a wrench socket, but that's a job.)

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    Really Senior Member Bruce McAskill's Avatar
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    WARNING!!!! Do NOT try to tighten the nut like your King Kong. IN doing so you can crack the gas housing and no amount of welding or brazing will work. It will just continue to break. The barrel is considered to be gone then and a new barrel is required. Nice and snug, then stake the nut.

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