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Thread: How do I seat pistol bullets in 358 win

  1. #1
    Boolit Master
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    How do I seat pistol bullets in 358 win

    I had a hard time loading Keith style 170s in my 358 win. I need a different rcbs seater plug , any suggestions ?

  2. #2
    Boolit Master
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    M-die.
    Distinguished, Master,2600 club, President 100 badge holder.

  3. #3
    Boolit Master
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    Quote Originally Posted by Dave C. View Post
    M-die.
    isnt the M die for neck flaring? I was thinking id get a noe expander plug to do that. this last round i managed with my .357 die. problem is i cant seat the bullet.

  4. #4
    Boolit Master
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    I would put a trimmed piece of brass with the mouth flared and screw the die down until I feel the brass hit the crimping roll then back off a bit. Back the seating plug all the way up.Then with the unfired piece of brass put the bullet in the mouth and run the case all the way into the die and screw the seating plug back down until you feel the bullet then work with it until you get bullet seated to the proper depth. You could unscrew the seating plug and see how it matches up with the bullet.

  5. #5
    Boolit Master
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    Quote Originally Posted by redriverhunter View Post
    I would put a trimmed piece of brass with the mouth flared and screw the die down until I feel the brass hit the crimping roll then back off a bit. Back the seating plug all the way up.Then with the unfired piece of brass put the bullet in the mouth and run the case all the way into the die and screw the seating plug back down until you feel the bullet then work with it until you get bullet seated to the proper depth. You could unscrew the seating plug and see how it matches up with the bullet.
    the rcbs seater plug that comes with the dies is not long enough and fits poorly

  6. #6
    Boolit Master
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    9MM seater die ?
    Happiness is a Warm GUN & more ammo to shoot in it.

  7. #7
    Boolit Master
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    Call RCBS and ask about a .357 Magnum seater punch. They will send one free.
    If you have .38 Special or .357 dies by RCBS you might experiment with swapping the seating punch.

    You can also consider the competition seater which has a window and allows you to drop bullets in from above the case mouth.
    EDG

  8. #8
    Boolit Master
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    Quote Originally Posted by EDG View Post
    Call RCBS and ask about a .357 Magnum seater punch. They will send one free.
    If you have .38 Special or .357 dies by RCBS you might experiment with swapping the seating punch.

    You can also consider the competition seater which has a window and allows you to drop bullets in from above the case mouth.
    Maybe a dumb question, but wouldn’t a 357mag seater stem be shorter than a 38special seater stem?

  9. #9
    Boolit Master
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    pistol die seater stem and rifle die seater plug are vastly diffrent

  10. #10
    Boolit Master
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    Quote Originally Posted by zymguy View Post
    pistol die seater stem and rifle die seater plug are vastly diffrent
    Well I said that it might be a dumb question. I got thinking about pistol and that was that.

  11. #11
    Boolit Master
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    oh i sorta tried, just failed quick

  12. #12
    Boolit Master
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    Ask RCBS or try them out if you have them.


    Quote Originally Posted by JimB.. View Post
    Maybe a dumb question, but wouldn’t a 357mag seater stem be shorter than a 38special seater stem?
    EDG

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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