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My action truing jig.

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Old 06-22-2010, 05:24 PM
Join Date: May 2001
Posts: 5,852
Re: My action truing jig.

Hey, you gun-handy guys. Why don't a couple of you write some "feature articles" for LRH on what an ordinary guy can do in the way of simple do-it-yourself, common gunsmith projects.

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Old 06-22-2010, 05:58 PM
Silver Member
Join Date: Nov 2009
Location: NE Oregon
Posts: 157
Re: My action truing jig.

I would like to know how those guys built thier jigs!
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Old 06-22-2010, 08:00 PM
Platinum Member
Join Date: Jan 2008
Posts: 4,389
Re: My action truing jig.

Originally Posted by Kevin Cram View Post
Looks very nice. I built one that looks just like that about 8 years ago and still use it to this day. The only thing I did was add another row of holes towards the rear for short actions. From from front to rear holes, center to center mine are 5" for long actions. The another row of holes from front to rear, 4" center to center for short actions. Use a thick enough brass tip and make some extras. Every now and then I have one break off. I replace the brass tips about once a year also. I use GTR's bushings and mandrel for blueprinting actions, it's the only way to really true up a action correctly. Good luck !! Here's a photo of mine.

This jig built my rifle I feel like I ow it something.......
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Old 06-22-2010, 08:47 PM
Platinum Member
Join Date: Nov 2008
Location: SW Montana
Posts: 4,456
Re: My action truing jig.

Originally Posted by japple View Post
I would like to know how those guys built thier jigs!
I found a section of truck axle and chucked it in my father in-laws lathe and started in on it. One thing that I didn't think about when I started was that I only had what I wanted to use, I should have allowed 2 extra inches for the chuck and then cut it off. I had to turn it over and get it lined back up and turn the last two inches, it came out good as you can't even tell with a test indicator, the short end is not the one in the chuck, but I spent over an hour getting it lined back up.
I turned the largest part true inside with a boring bar and then outside so the largest part was true and I could hold it and indicate of it, then cleaned the rest up.
Then I put it in a dividing head on the mill and punched 8 holes and tapped them in the mill before moving to the next hole.

I spent days on the internet looking at every jig I could find and read every thread on jigs and watched every youtube vid and picked every brain I could, and then threw the switch and did it. My father in-law was a great help and he had a jig but it had to much flex in it and was thin and not up to my anal retentive way. So I'm making all my tools and buying tooling that I can use on my lathe when I get the coin to buy it out right so I don't start in the hole with a new hobby. Still paying of the last one Right or wrong that's how I did it!!
High Fence, Low Fence, Stuck in the Fence, if I can Tag it and Eat it, it's Hunting!

"Pain is weakness leaving your body"
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Old 06-22-2010, 09:59 PM
Silver Member
Join Date: Nov 2009
Location: NE Oregon
Posts: 157
Re: My action truing jig.

Looks LIke you did a good job. results are what matter most of the time how you got there. I think I will be building one of these soon. what are your dimensions on it?
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Old 06-24-2010, 01:17 AM
Junior Member
Join Date: Dec 2008
Location: victoria, australia
Posts: 5
Re: My action truing jig.

Great job guys,

I have been thinking of having a go at making one for myself. Thanks for posting your pics.

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Old 06-25-2010, 05:57 PM
Bronze Member
Join Date: Dec 2004
Location: PEI Canada
Posts: 72
Re: My action truing jig.

I used aluminum tubing for the sleeve. Turned and bored then split it. Loose fit because it gets marred up from the Allen screws. Remember, you can bend an action just like a barrel when dialing in.
keep up the good work.
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