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    FX Impact M4 tuning advice!

    Hi everyone. I'm a long term lurker but don't post very often. I have an impact M4 and was wondering what the optimum length of the C1 from the block is? It's a 700mm sniper in .22. I have a slug power kit to fit but won't be using the tungsten hammer or soft return spring if I can get 34gr...
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    Fx Verminator Extreme leak

    Thanks for the reply Glem. I've used the soapy water and there's bugger all in the way of bubbles. I've got an automotive stethoscope at work, never thought of trying that out. I didn't put an extra one on, I just noticed that there were only 7 and not eight. I have seen the huma and thought...
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    Fx Verminator Extreme leak

    This is my first post here so firstly, Hi all. I'm a keen shooter from across the pond (UK). I mainly shoot centrefire rifles but I bought this verminator recently for a farm I shoot on where rimfire and centrefire rifles aren't suitable. The verminator is a .30 and has been flawless until...