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Thread: bolt bounce

  1. #1
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    bolt bounce



    Ok, guys- Anyone with knowledge on how too eliminate bolt bounce? You know the hop of the bolt when you dry fire drives me crazy. I have it on a lh 110 long action pre acuu-trigger. Is it a sear timing issue???? Mine will even bounce a BT nob.

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  2. #2
    Basic Member geargrinder's Avatar
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    Re: bolt bounce

    The easiest way to get rid of bolt bounce is to replace your action with a tight tolerance bench rest action without a floating bolt head.

    The bounce mostly comes from the slop between the bolt body and the raceway. Having the floating bolt head only lets it move more.

    Using something as a snap cap will at least hold the bolt head and might get rid of some of your bounce.
    "Muzzle velocity is a depreciating asset, not unlike a new car, but BC, like diamonds, is forever."-German A. Salazar

  3. #3
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    Re: bolt bounce

    Bolt bounce can be caused by 2 things: 1. Axial wind-up caused by the bolt head not centering and snapping back when dry fired( this of course is on an empty chamber).The more the bolt body clearance is, the more the jump.This disappears when actually firing a live round, so it is nothing to lose sleep over.
    2. Over rotation, causing the cocking piece pin to strike the ramp before bottoming out. This is caused by the bolt body being machined out of phase.
    "As long as there's lead in the air....there's still hope.."

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