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  1. SamS510

    FX FxM4 27 grn zan slug tune

    Hi , M4 only has one regulator
  2. SamS510

    FX FxM4 27 grn zan slug tune

    Hi not sure on how to pm , new to this forum ,but got full power M4 600mm barrel 28 grn slugs in .22 , micro & macro upto max reg pressure at 100 , running 850 fps , is it up with reg pressure and turn down macro & micro ? Just need a ball park set so I can work from there , cheers
  3. SamS510

    FX FxM4 27 grn zan slug tune

    Sorry .22 , 28 grn typo on 27🤦‍♀️, 600 mm barrel FAC ( full power ) cheers
  4. SamS510

    FX FxM4 27 grn zan slug tune

    600mm barrel FAC
  5. SamS510

    FX FxM4 27 grn zan slug tune

    Hi all , I’m new here from the UK recently got an M4 looking for a tune for the Zan 27 grn slugs , if anyone can help ,cheers 👍