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Thread: Will a barrel off a Remington XP-100 action screw onto a 700 action?

  1. #1
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    Will a barrel off a Remington XP-100 action screw onto a 700 action?

    Are the threads sizes the same? Guy offered me a barrel off a XP action built into a BR rifle but if it requires extra gunsmithing, I'll pass.
    Last edited by Hank; 11-30-2012 at 04:53 PM.

  2. #2
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    Yup, it'll fit, but headspace is still the issue.

  3. #3
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    Thanks for the infomation. I'll get the barrel and have a local gunsmith screw it on and headspace it. I don't want to put a lot into a used barrel but I would like to try a different barrel to see how it groups compared to one on it now.

  4. #4
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    If you're really pressed for $$ you might want to speak to the gunsmith you're going to take it to before you buy the barrel. These guys have to make $$ for their time and it takes a while to get it set up. You may have to change recoil lug thickness or take a few thousandths off the shoulder. It sounds like nothing, but it all takes time. I once had a partner who's favorite saying was "there ain't no five minute jobs". It's better to know going in what the work is likely to cost.

    Rick

  5. #5
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    Quote Originally Posted by Greyfox View Post
    If you're really pressed for $$ you might want to speak to the gunsmith you're going to take it to before you buy the barrel. These guys have to make $$ for their time and it takes a while to get it set up. You may have to change recoil lug thickness or take a few thousandths off the shoulder. It sounds like nothing, but it all takes time. I once had a partner who's favorite saying was "there ain't no five minute jobs". It's better to know going in what the work is likely to cost.

    Rick
    Very good point, sir. I left a message for him to call me this evening if he can. I have a little money to put into the rifle I just want to be sure I spend it wisely. And, I don't mind paying the going rate for his work. I want him to make a living and be there when I need him. This rifle does not have a recoil lug. The sleeved action is bedded front and back and there is no movement.

  6. #6
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    Many find it hard to believe, but quite a few Remington barrels will screw on and be within the GO-NO-GO gage tolerance.
    My son has a older 30-06 that had rust in the barrel, I screwed a barrel that I had off of a take off on to it and everything worked fine. The lettering didn't clock correctly, but the deer he shot last week end didn't care.

    Do get it checked, though.....jackie

  7. #7
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    Model 7, 721,722, 600, xp100, and 700 are all the same. Jackie is right. Lettering might not line up. Check the headspace.

  8. #8
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    Thanks for all of the information. I talked to the gunsmith today about the options. He agreed to swap bolts with me and rechamber the barrel to 6mm BR if it looks like it has enough life left in it. He'll do all the fitting and I should be good to go. Worst case is I buy a new barrel now instead of later.

  9. #9
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    Usually a XP 100 thread will also be relieved where the guard screw comes into the receiver ring. You don't have that problem with a 700 or 722 action as the action screw comes up between the receiver lug and the end of the barrel tenon. If you look at a factory XP-100 barrel it will just have four or five threads behind the recoil lug. Since your XP action is glued into a sleeve, then that's not a problem. However, the tenon from a barrel from a 700 with a recoil lug will have to be shortened for your action without the recoil lug. The bolt nose recess will have to be set back the thickness of the recoil lug, threads will probably have to be extended as well as you lose the relief provided by the recoil lug. The first thing you might want to do is to screw the barrel into the action and check to see how the barrel threads fit with the receiver threads. It wouldn't surprise me that the XP threads might have been trued opening up the threads when it was glued into the sleeve. If the threads have been opened up, then a barrel that fits the threads for a unaltered 700 could be too loose. It just depends upon how far out of line the original action threads were before the threads were trued. Screw the barrel into the action and see if the barrel has very much shake. If it feels pretty tight, then the threads in the receiver probably weren't trued. If it feels pretty loose, then it probably was. The difference between a tight thread and a loose thread is the amount of clearance between the thread flanks when the barrel is tightened. They will both have clearance, the loose thread will just have more. If the threads feel too loose, then it would probably be best to cut the old threads off, rethread and rechamber if there is enough cylinder on the barrel to allow this.

    FWIW, when you start having to do too much to the tenon and headspace to get the barrel refitted to the XP, you won't be too far off the cost of a complete new threading and chamber job. When it gets to that point, you have to look at whether you would be better off to install a new barrel and forget about reusing an old barrel. There's a difference between paying to have barrel work done and when you can do it yourself. Lots of things that you can afford to do if you are doing the work yourself, become unfeasible if you are paying to have the work done.
    Last edited by Mike Bryant; 12-02-2012 at 04:06 PM.

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