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Thread: Need any 45 cal chamber reamer

  1. #1
    Vendor Sponsor JTknives's Avatar
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    Need any 45 cal chamber reamer

    i'm working on my ruger vaquero and i'm fitting a new cylinder to the gun. the cylinder i got is 44mag cal and i will be reaming it to 45 colt. but i want a tight chamber so i was thinking about using a 460sw reamer and just control the depth. does any one have a 460sw or a 454 casull or even a 45 colt reamer that would let me barrow.
    It's not the size of your brass that matters, It's how you tumble it.
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  2. #2
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    That's a stretch with a finishing reamer, but it will work if you're careful. Just get a Manson from Brownell's and be done with it. I think the .460 is an excellent choice as far as "correctly" sizing the chambers, expecially in that gun where you won't have to worry about a rim recess. If you were doing a rifle, you might have to get creative.

    Gear
    You can't fix Stupid, but you can occasionally head it off before it hurts something. --Stephen Adams

    To universalize one's experience and state it as the norm is always thin ice on which to stand.--CharGar

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  3. #3
    Vendor Sponsor JTknives's Avatar
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    Quote Originally Posted by geargnasher View Post
    That's a stretch with a finishing reamer, but it will work if you're careful. Just get a Manson from Brownell's and be done with it. I think the .460 is an excellent choice as far as "correctly" sizing the chambers, expecially in that gun where you won't have to worry about a rim recess. If you were doing a rifle, you might have to get creative.

    Gear
    i'm going to be milling out the chambers first. i will measure each chambers location in reference to the bore then i will program the mill to cut the chambers to the correct location if thy are off. that way i can just use a finishing reamer to take it to size. so you think a 460s&w chamber would be better then a 454 casull? i cant seam to find a 460 S&W reamer to buy, but there are lots of 454 casull's.
    Last edited by JTknives; 06-16-2011 at 04:27 PM.
    It's not the size of your brass that matters, It's how you tumble it.
    IF you need anything contact me at JT(at)HeavyMetalMolds.com
    Place all orders on our new website
    www.HeavyMetalMolds.com

  4. #4
    Vendor Sponsor JTknives's Avatar
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    Im going back and forth between the 454 casull or 460 s&w chamber for my 45 colt. both are completely different from each other in the throat area and amount of taper. for some reason im leaning twords the 454 casull with the real short throat at 30deg. below are the chamber measurements of each chamber.

    45 colt: http://www.saami.org/PubResources/CC.../45%20Colt.pdf
    454 casull: http://www.saami.org/PubResources/CC...4%20Casull.pdf
    460 S&W: http://www.saami.org/PubResources/CC...W%20Magnum.pdf
    It's not the size of your brass that matters, It's how you tumble it.
    IF you need anything contact me at JT(at)HeavyMetalMolds.com
    Place all orders on our new website
    www.HeavyMetalMolds.com

  5. #5
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    JT, it all depends on what you will be shooting in it. Personally, I don't like bore-riders in a revolver, I like the large, fat, ogival nose to poke out almost flush with the end of the cylinder and be supported by the chamber mouth. I don't like a huge freebore in a revolver, but I do like a long, tapered throat that can be stuffed with boolit, so it's supported better during firing and is as close as I can get it to the forcing cone. A short throat with a sharp angle is designed for SWC boolits or others with a sharp front band and a reduced-diameter, short nose, and the front band is supposed to be out of the case and just nearly touching the throat. I think that gives a pretty sorry start in life unless you have a really tight chamber to keep things lined up while under the force of gravity. That also is a recipe for the maximum jump to the forcing cone, which seems to promote skidding.

    YMMV, you may have different experiences that give you different opinions on what works best in a revolver, in fact many approaches work when fitting boolits to revolvers, it's just a matter of which way you like best.

    That's why I say the .460.

    Gear
    You can't fix Stupid, but you can occasionally head it off before it hurts something. --Stephen Adams

    To universalize one's experience and state it as the norm is always thin ice on which to stand.--CharGar

    Being able to separate the wheat from the chaff has always been a valuable skill in all of life's activities. --Bwana


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    Evaluate everything you read for safety and use common sense.

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    Boolit Master mroliver77's Avatar
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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check