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Thread: Reamer differences for .22 Short and .22 Long Rifle?? Any real differences?

  1. #1
    Boolit Mold
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    Reamer differences for .22 Short and .22 Long Rifle?? Any real differences?

    I want to save a few bucks and use a long rifle reamer to cut a chamber in a short barrel.
    The rounds are head spaced on the outside of the barrel end and not inside the barrel itself so I can't see any difference in
    using the LR to cut the chamber for the short.
    It's a couple of old 1890 / 1906 pumps.
    Latter versions of the rifles shoot short, long and long rifles, so I can't see any problem myself.
    The only difference in barrels is the twist used, 1 in 16" vs 1 in 20".
    One big firm i called said it wouldn't work and another said they had no info to help.
    Previous entries in this forum say it will work.
    Did the person that asked the question earlier ever finish the project?
    Did same person have any problem using the LR to cut the short chamber?
    If said person had good success, could same email me with info on the specific reamer they used, if allowed by forum.

  2. #2
    Boolit Master Traffer's Avatar
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    In my opinion a regular old hand reamer at .2224" to .223" as long as it doesn't cut into the diameter of the original 22 short chamber. could be used to extend it. But I'm not a gunsmith.

  3. #3
    Boolit Mold
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    I should have mentioned that I need to cut a chamber because I'm going to put a liner in the shot out old barrel.

  4. #4
    Boolit Master Traffer's Avatar
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    Quote Originally Posted by Gunny Bill View Post
    I should have mentioned that I need to cut a chamber because I'm going to put a liner in the shot out old barrel.
    22Lr Chamber isn't much. If you look at the bullet, there is not much to it. I think it is just basically reamed to the OD of the 22lr (which is consistent from the rim to the ogive of the bullet.) The Outside diameter of a 22lr Very exactly is .2224" I think that most chambers are about .2225" But again I'm not a gunsmith.

  5. #5
    Boolit Grand Master



    M-Tecs's Avatar
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    It should work but I have never done it so this is the best I can offer for advice.

    http://www.assra.com/cgi-bin/yabb/Ya...num=1340588034

    John Taylor wrote on Jun 25th, 2012 at 7:12pm:
    The 22 Bentz chamber should work fine.

    It's what I use for Martini rifles, but short chambered by about .040" to .050" so that the front drive band of the bullet starts to engrave when it's locked up by the breechblock. I cut the rim relief for proper headspace with a boring bar in the lathe.

    David
    2nd Amendment of the U.S. Constitution. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

  6. #6
    Boolit Buddy
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    What sort of rifle is it? Single breech loader? Single shot bolt? Repeater pump?

    Do you need to be able to extract a loaded round or is it acceptable to have to knock it out or pry it out?

    For a 22 short....
    Single shot where you will have to pry out a loaded round:
    Either get a 22 short chamber reamer from PTG (I think they sell match and sporting) or you could use something like the 22lr sporting reamer and go slow till a bullet falls in and stops around 1/16" from fully seated. You could use a Bentz for this and just stop early too.

    If it's a repeater - I would do a 22 short saami chamber or use a 22lr sporting chamber reamer and go till the bullet falls all the way in. That way they will load easy and be able to extract.

    I have a feeling accuracy would be better with the 2 degree leade vs the 5 degree leade - but uou may not have a choice.

  7. #7
    Boolit Man
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    Of course it will work! you just need to short chamber it. You don't need a c'bore on an Winny 1890 barrel. Measure the length difference and put a piece of tape on the reamer to tell you when to stop. I've got one to do myself and that's how I'm going to do it.

  8. #8
    Boolit Master Forrest r's Avatar
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    Yes you can shoot shorts/longs/lr's in a rifle chambered in 22lr.

    Typical reamers for different 22lr chambers.
    [IMG][/IMG]

  9. #9
    Boolit Grand Master



    M-Tecs's Avatar
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    The OP specifically asked
    Quote Originally Posted by Gunny Bill View Post
    I want to save a few bucks and use a long rifle reamer to cut a chamber in a short barrel.
    The rounds are head spaced on the outside of the barrel end and not inside the barrel itself so I can't see any difference in
    using the LR to cut the chamber for the short
    .
    It's a couple of old 1890 / 1906 pumps.
    Latter versions of the rifles shoot short, long and long rifles, so I can't see any problem myself.
    The only difference in barrels is the twist used, 1 in 16" vs 1 in 20".
    One big firm i called said it wouldn't work and another said they had no info to help.
    Previous entries in this forum say it will work.
    Did the person that asked the question earlier ever finish the project?
    Did same person have any problem using the LR to cut the short chamber?
    If said person had good success, could same email me with info on the specific reamer they used, if allowed by forum.
    The OP is intending to cut a short chamber using a LR reamer for a firearm that does not require a counterbore. Unless I am missing something it should not be a problem.
    2nd Amendment of the U.S. Constitution. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

  10. #10
    Boolit Buddy arcticap's Avatar
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    Is this the original thread that's being referred to? --->>> http://castboolits.gunloads.com/show...ghlight=reamer

    If you want to know if he tried it and how it worked out, just click on his name to send him a private message or email.
    Or else he might not read your post.

  11. #11
    Boolit Master uscra112's Avatar
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    Can you hold a LR reamer short and create Short chamber? Absolutely.

    I'd make a little bushing of the correct length to slip over the reamer, to limit the chamber depth. Although being a bit long won't do much harm.

    The bushing trick is how I do .38 Special and .357 Magnum chambers using a custom .357 Max reamer I bought from Dave Manson which has a proper throat for rifles. I then cut the rim recess separately.

    I adapted this from an article by Ed Harris on rethroating rifles. He used a bushing plus shim washers to control the depth of cut, which is of course crucial when cutting throats. The basic idea was probably old before either of us were born.

    With the .22, something to watch is the pilot diameter in relation to the land diameter of that old barrel. In doing .22s I've found land diameters to be all over the map. A pilot that is too small will not allow the reamer to cut a concentric chamber.
    Last edited by uscra112; 06-13-2019 at 02:08 AM.
    flectere si nequeo superos, acheronta movebo

  12. #12
    Boolit Master

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    sometimes a short chamberd barrel uses a different twist rate than LR

  13. #13
    Boolit Master uscra112's Avatar
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    Yes, rifles that were originally made for the Short always had a slower twist. That's the O.P.'s problem - he wants to rechamber an old Short barrel for Short, but has only a LR reamer.
    flectere si nequeo superos, acheronta movebo

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