ReTro Valve and luke's efficiency insert

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  • diesel85
    Failure to Flatline
    • May 2008
    • 26

    #1

    ReTro Valve and luke's efficiency insert

    I'm looking at putting one of these inserts into my ReTro valve. Would like to know proper installation and once in if I need to adjust other portions of my mag? Thank you all very much in advace. Oh yeah and what is the trick to taking the valve apart!
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