buying g&p internal

Discussion in 'Electric Guns' started by youngsofter, Aug 19, 2012.

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  1. youngsofter

    youngsofter New Member

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    I have the g&p m4 carbine (FG) and I'm upgrading the piston,piston head,and gears all from systema but which one exactly?
     
  2. Shady

    Shady Administrator Staff Member Administrator Moderator Lifetime Supporter

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    How many topics over changing the parts in your G&P do you need. Use one, and only one. We don't need you flooding the forum with the same question.
     

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