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Thread: Anyone Make .350 Remington Magnum from 7MM Remington Magnum Cases?

  1. #1
    Boolit Master



    MUSTANG's Avatar
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    Anyone Make .350 Remington Magnum from 7MM Remington Magnum Cases?

    I have a .350 Remington Magnum that I am thinking about pulling from the safe and shooting this Winter and next Spring with cast boolits. I only have about 100 rounds of .350 Remington Magnum Brass, and it looks like buying more is currently problematic. I note that the Parent Case for the .350 Remington Magnum is the 7MM Remington Magnum case.

    Anyone have experience with converting 7MM Remington Magnum cases to .350 Remington Magnum?
    Mustang

    "In the beginning... the patriot is a scarce man, and brave and hated and scorned. When his cause succeeds, the timid join him, for then it costs nothing to be a patriot." - Mark Twain.

  2. #2
    Boolit Master
    Mr Peabody's Avatar
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    I made a few for the rifle I had out of 338 win mag brass. I had to buy a neck turning tool and use it. Not a real troublesome project though.

  3. #3
    Boolit Grand Master
    Mk42gunner's Avatar
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    There were a couple of long-running threads on forming the 6.5 and I think the .350 Rem Mag's a few years ago, well before this section was started. A search should still bring them up.

    Robert

  4. #4
    Boolit Buddy

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    Quote Originally Posted by MUSTANG View Post
    Anyone have experience with converting 7MM Remington Magnum cases to .350 Remington Magnum?
    That's what happens to 7mm Mag range pickups, when I find them.

    I use a .350 Rem trim die first, then a .350 Rem sizer. Sometimes I have to thin the neck walls, sometimes not. Depends on the brass, and your particular rifle.

  5. #5
    Boolit Buddy


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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