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When Does an Action Need to Be Re Trued and Lapped

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  #1  
Unread 09-17-2010, 07:01 PM
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When Does an Action Need to Be Re Trued and Lapped

So as the question says when? Is this different for customs actions
compared to a Rem 700 or a Savage? When my 300 Win Mags barrel
is done after 3-5,000 rounds do I just screw another one on and get
to shooting? Or does the action need to be inspected and make
sure everything is still concentric? Just curious please educate me.
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  •   #2  
    Unread 09-17-2010, 07:51 PM
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    Re: When Does an Action Need to Be Re Trued and Lapped

    Quote:
    Originally Posted by CA48 View Post
    So as the question says when? Is this different for customs actions
    compared to a Rem 700 or a Savage? When my 300 Win Mags barrel
    is done after 3-5,000 rounds do I just screw another one on and get
    to shooting? Or does the action need to be inspected and make
    sure everything is still concentric? Just curious please educate me.

    This is just my opinion but I think that all actions factory or custom should be at least
    looked at if you intend to build a shooter.

    J E CUSTOM
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      #3  
    Unread 09-17-2010, 09:48 PM
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    Re: When Does an Action Need to Be Re Trued and Lapped

    When I rebarreled my Rem 700 in 338 Ultra mag I had Jim at Centershot rifles face the front of the receiver and lap the lugs. I didn't have the threads trued or recut. He installed a thicker recoil lug.
    So far my best group is .625 for 3 shots at 300 yds with the Barnes 225 TTSX.
    Tarey
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      #4  
    Unread 09-18-2010, 04:22 AM
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    Re: When Does an Action Need to Be Re Trued and Lapped

    Most Re-Barrel jobs that I've heard of include action trueing (to an extent anyway). Unless you're doing it yourself. I think most good smiths will recommend action truing when they put on a new custom barrel.
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      #5  
    Unread 09-18-2010, 04:46 AM
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    Re: When Does an Action Need to Be Re Trued and Lapped

    NO, the action does not need to be trued. The accuracy gain by truing a factory action IMO is not worth it. In a custom action, you may want to spend the extra $$$$ The Savage factory bolt head floats anyhow, improving accuracy.


    Quote:
    Originally Posted by CA48 View Post
    So as the question says when? Is this different for customs actions
    compared to a Rem 700 or a Savage? When my 300 Win Mags barrel
    is done after 3-5,000 rounds do I just screw another one on and get
    to shooting? Or does the action need to be inspected and make
    sure everything is still concentric? Just curious please educate me.
    Reply With Quote
      #6  
    Unread 09-18-2010, 08:22 AM
    Platinum Member
     
    Join Date: Jul 2004
    Location: Texas
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    Re: When Does an Action Need to Be Re Trued and Lapped

    Quote:
    Originally Posted by Gene View Post
    NO, the action does not need to be trued. The accuracy gain by truing a factory action IMO is not worth it. In a custom action, you may want to spend the extra $$$$ The Savage factory bolt head floats anyhow, improving accuracy.

    Sorry Gene the bolt face does not "Float" It would be impossible to head space accuratly
    if it did.It can be moved or replaced but must be locked down before head spacing.

    If you want a 200yard rifle only then almost any rifle will work. But if you are into LRH
    every bit of accuracy you can get is important.

    The reason that most custom rifles are much more accurate is that most smiths blue print
    the action for there accuracy requirements.

    It is true that you don't have to blue print .But if you don't you will regret it.


    J E CUSTOM
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      #7  
    Unread 09-18-2010, 02:50 PM
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    Join Date: Nov 2009
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    Re: When Does an Action Need to Be Re Trued and Lapped

    Thanks for the responses guys but i guess i did not explain myself clearly. I meant after a factory or custom action has ALREADY been trued and lapped when does this process need to be done again. After 5,10, 15,000 rounds, or is the wear so minimal does it ever need to be done?
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