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action truing fixture

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  #1  
Unread 03-31-2011, 08:55 AM
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action truing fixture

What OD/ID and type of aluminum are you guys using for your action truing fixture?

It might be faster/cheaper to buy one from PTG, but I think it'll be good warmup to make some of the tooling myself and this looks like something pretty simply to make.

Thanks!
Richard
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  •   #2  
    Unread 03-31-2011, 07:46 PM
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    Re: action truing fixture

    I made mine from 303 stainless that's 5" O.D. and I drilled a 2" I.D. I threaded the adjustment screw holes 5/8-24 for a fine adjustment. I bought set screws and bored out the cup end and inserted in brass tips so not to damage the action finish. I also made a rear row of holes for long actions and a row 1" shorter for short actions. Here's a photo.

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      #3  
    Unread 03-31-2011, 08:19 PM
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    Re: action truing fixture

    I hit the wrecking yard and picked up a chunk of semi truck axle. Here's a link to mine that I made, I'm shortening the screws so they are below the surface for safety, adding brass tips also. My action truing jig.
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      #4  
    Unread 03-31-2011, 09:09 PM
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    Re: action truing fixture

    Very nice work. ...and, Kevin, that's a serious lathe chuck you have. You could go pro someday!

    I guess I'll poke around for the right hunk of SS. I don't know why I thought or assumed that the GTR jig was aluminum.

    Thanks guys!
    Richard
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      #5  
    Unread 03-31-2011, 09:49 PM
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    Re: action truing fixture

    It is aluminum, but run your screws in and out a few hundred times and see how well the threads hold up. I've had my fixture for 8 years now, blueprinted countless actions and I chambered hundreds barrels in the same fixture.
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      #6  
    Unread 03-31-2011, 10:09 PM
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    Re: action truing fixture

    I doubt mine will ever see that kind of work load. But, if it's worth building, I might as well build it to last.
    thanks!!
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