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Thread: Size and length for rear screw for barreled action?

  1. #1
    Member
    Join Date
    Aug 2018
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    41

    Size and length for rear screw for barreled action?

    Good day,

    I'm trying to find the size and length for the allen key to remove the rear tension screw install some parts, but your user manual doesn't have any of the information.

    https://cdn11.bigcommerce.com/s-dcs1...ions-screw.jpg

    It also talks about a second set of screw, which I have no idea what it is.

  2. #2
    CGN Ultra frequent flyer vagrantviking's Avatar
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    Jan 2008
    Location
    High River, Alberta
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    4,703
    The rear tension screw seems to be a 3/32 Allen. There are two with the second one acting as a lock to secure the first that contacts the trigger group. The manual references T25 key head screws but I don't see any. I've only had mine about 30 minutes though. LoL

    The one in your picture is the main action bolt and is 5/32 Allen.

  3. #3
    Expired Business Member
    Join Date
    Oct 2020
    Posts
    282
    The screw info is
    Black Oxide, 10-32 Thread, 1/8" Long
    uses a 3/32" hex key
    https://www.mcmaster.com/94105a188/

    The screw is meant to be snugged up against the rear of the trigger group. Do not over tighten as it will run the trigger housing and possibly cause interference issues with the return spring / rod behind the hammer.

    The send screw (same kind as the first) is meant to be snugged up behind the first to prevent the first screw from loosening off.
    Here is a link to the install guide. https://greybirchsolutions.com/conte...on%20Guide.pdf
    Chassis the ship now some with a colour install guide, covid delayed boxes and manuals on us.

    Let us know if you have any questions. We are planning to shoot a video on the install some time before all fire arms are banned.

  4. #4
    Member
    Join Date
    Aug 2018
    Posts
    41
    Thank you for the information everyone.

    I was able to take the screws off no problem.

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