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Thread: 68 classic valve trigger pull

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  1. #1

    68 classic valve trigger pull

    I started working on a pneumag project a week or two ago. After a good hollowing out of the frame, i was able to assemble a functioning mockup before i go to work on the aesthetics. Looks like even at max lpr output, there isn't enough pressure from the trilogy solenoid to consistently trip the sear. (it'll probably fire reliably around 3-4 bps)

    So i'm assuming my options are, get more pressure (which i'm sure would blow the noid) or lighten the trigger pull.

    After finding out that ULT kit from the ADG site is apparently not compatible with the 68 classic valve, I'm wondering what people do to lighten the pull with the classic valves?

    Last edited by Tachiro; 09-13-2012 at 08:31 AM.

  2. #2
    Join Date
    Mar 2009
    I have used a ULT in a classic valve for a spydermag project. You could also use a CenterFlag on/off if you could find one.

  3. #3
    The RT Pro on/off will cut the trigger pull weight in half or more, and it's a drop-in replacement to the classic on/off.

  4. #4
    Join Date
    Jun 2009
    Different LPR would probably work wonders.

  5. #5
    Join Date
    Jan 2002
    Halifax, N.S., Canada
    ULT in a classic valve works fine but not with a manual trigger pull unless tuned really well. The ULT works well with an electronic frame and I suspect it will work well with a pneumatic frame too.
    Except for the Automag in front, its usually the man behind the equipment that counts.

  6. #6


    Well that's what i get for assuming creating a new post automatically subscribes me to it. Came back to find all these replies. Will report back with which plan i went with, thanks AO

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