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Thread: Hardest/most elaborate case conversion you did?

  1. #21
    Boolit Master
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    Going back into the early 80s there was a shop here in Milton, VT there was a provider of reloaded and obsolete caliber ammunition. I was privileged to know the owner, Ira Farnsworth (RIP). He was an active benchrest competitor, gunsmith & overall good person.

    I worked in his shop for quite a few years, when the serious shooters stopped by it provided a whole 'nother level of shooting education both in shooting matters and converting available cartridge cases into usable cases for cartridges no longer being made.

    It was rare that Ira ever had to throw in the towel on a cartridge conversion. One that I saw stump him was an order for .333 Jeffrey ammunition. There was nothing available that would be quite "right" in one manner or another. I don't remember how many hours we did put into that project but it stretched into months with making test runs, sending them to the customer and finding something wrong. I didn't know all the details that must have been discussed with the customer but it was right around that time that BELL came out with another Jeffrey case(.400, maybe .450 Jeffrey?) that WAS the correct feedstock for the .333 and I think he ended up buying that to convert.
    Literacy should not be considered optional in computer based communication.

  2. #22
    Boolit Master maxreloader's Avatar
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    303 Savage to 44 Evans long is fun.

    The only one to make me say uncle so far was the 280 Ross... I passed on the rifle after looking into it. Still regret it.
    Looking for Ideal mold 419181
    Looking for 38-72 dies
    My Feedback is HERE

  3. #23
    Boolit Master
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    How about 8x58RD from belted magnum cases?

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    From left:
    Unmodified 7mm RM
    300WM sized down to the belt
    7mm RM with belt removed on the lathe
    7mm RM sized all the way down
    300WM trimmed to length and neck inside reamed.

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  4. #24
    Boolit Master 15meter's Avatar
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    Quote Originally Posted by maxreloader View Post
    303 Savage to 44 Evans long is fun.

    The only one to make me say uncle so far was the 280 Ross... I passed on the rifle after looking into it. Still regret it.
    May I ask why? A buddy called me up this week and told if he ever talked about buying a 280 Ross to immediately talk him out of it. I went and looked it up. Didn't seem any harder than the 350 Rigby Magnums I made for him.

    Just curious if I missed something.

  5. #25
    Boolit Master
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    Quote Originally Posted by 15meter View Post
    Mine was 223 into 7.62x38r for the little Russian revolver that came into the country a couple of years back.

    Actually did it before I bought the revolver.

    Wanted to make sure that I would have a steady supply of brass. I didn't want to buy the gun and find out that brass went obsolete the day after they sold the last revolver that was imported.

    What's yours?
    Tried that today just because.
    Not that bad at all

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  6. #26
    Boolit Master 15meter's Avatar
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    Quote Originally Posted by 17nut View Post
    Tried that today just because.
    Not that bad at all

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    Watch you case length, my first tries I didn't and had some that were too short to make it into the barrel but longer than the cylinder. When fired they flared over the end of the cylinder. Made it a real bear to eject. They need to be either long enough to do the gas seal thing or short enough not to extend past the cylinder. Either seemed to work equally well.

  7. #27
    Boolit Master
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    No worries i dont have a Russian Nagant revolver
    I just had to try and i thing 30M1 carbine dies would really aid in correct case work.
    I used 32-20 dies as that is what i have in that case size and they work fairly well for my short 7.5mm Norwegian Nagant.

  8. #28
    Boolit Master
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    The problem with 280 Ross was the 1910 model straight pull Ross rifle in which the bolt could be assembled incorrectly and not lock when closed, sending the bolt out the rear of the receiver when fired. Your bolt velocity should not exceed your bullet velocity. Military 1910 rifles later had a rivet installed to prevent this. I had a 1905 in 303 British I shot back in high school (almost 40 years ago) and a beautiful 1910 280 commercial sporter I didn't - if I had it now I'd be tempted.
    Last edited by rmark; 01-05-2018 at 08:20 PM.

  9. #29
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    .22 Eargesplitten Loudenboomer for a VERY modified Ruger No. 1.

  10. #30
    Boolit Master maxreloader's Avatar
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    280 Ross was bolt combined with lack of access to parent case at the time. (way before the interwebs)
    Looking for Ideal mold 419181
    Looking for 38-72 dies
    My Feedback is HERE

  11. #31
    Boolit Master
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    I just fired a 280 Ross this week with cases formed from 375 Ruger brass.300 H&H and 300 Win Mag brass also work.You're on your own for loading data.Don't reform the 375 Ruger brass in the 280 Ross dies.You'll crack the die.I used a different die for initial forming and cracked it.If I form more cases I'll get a form die set.
    It is possible to visually check that the bolt on a 280 Ross is locked.

  12. #32
    Boolit Master
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    Quote Originally Posted by rmark View Post
    The problem with 280 Ross was the 1910 model straight pull Ross rifle in which the bolt could be assembled incorrectly and not lock when closed, sending the bolt out the rear of the receiver when fired. Your bolt velocity should not exceed your bullet velocity. Military 1910 rifles later had a rivet installed to prevent this. I had a 1905 in 303 British I shot back in high school (almost 40 years ago) and a beautiful 1910 280 commercial sporter I didn't - if I had it now I'd be tempted.
    So the fact that the bolt can be put together wrong makes it way harder to make rass for it????????

  13. #33
    Boolit Master
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    That is ammo for a Hall rifle.



    Quote Originally Posted by 17nut View Post
    I did a 45 on a 38SPL case
    That was a lot of work and i have yet to develop a gun for it!
    Attachment 210627
    Last edited by EDG; 01-06-2018 at 04:18 AM.
    EDG

  14. #34
    297/.250 from .22 hornet
    Had to make sizing dies for 2stage forming of cut down hornet brass with trimmed rims.
    Loaded with trail boss powder and .25 cal boolits. They went bang in my English rook rifle.

  15. #35
    Boolit Master 15meter's Avatar
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    Quote Originally Posted by sideplate mike View Post
    297/.250 from .22 hornet
    Had to make sizing dies for 2stage forming of cut down hornet brass with trimmed rims.
    Loaded with trail boss powder and .25 cal boolits. They went bang in my English rook rifle.
    Photos of cartridge/rifle?

  16. #36
    Boolit Master
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    a 9m/m luger to a 9m/m pin fire.

  17. #37
    Boolit Master
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    6.5 JAP out of a 220 SWIFT.

  18. #38
    Boolit Master
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    a 7.35 ITALIAN out of a 308.

  19. #39
    Boolit Master
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    41 SWISS out of 348 or 8 m/m LEBEL brass.

  20. #40
    Boolit Master
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    8 m/m LEBEL out of 348 brass.

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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