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Thread: Leading on cylinder face and top strap

  1. #1
    Boolit Mold DownRangeDan's Avatar
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    Leading on cylinder face and top strap

    I have been shooting a 200 gn Lee bullet in 44 special with HP38 powder. I am getting leading on the cylinder face and the top strap that is apparently spraying out the gap between the cylinder and barrel. I have not noticed any significant leading in the barrel. I am assuming that the base of the bullet is melting. This is a low power plinking load. Is this perhaps a function of the powder burn rate?
    The person who said that "money can't buy you happiness" has never been to a gun show.

  2. #2
    Boolit Master Outpost75's Avatar
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    It sounds to me like your bullets are undersized and are not sealing the cylinder throats.

    Have you checked bullet fit in your CYLINDER?
    The ENEMY is listening.
    HE wants to know what YOU know.
    Keep it to yourself.

  3. #3
    Boolit Master gnostic's Avatar
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    Nothing unusual about the leading you described. Your bullets might be too soft.

  4. #4
    Boolit Mold DownRangeDan's Avatar
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    I will check this. Also, this is 44 special being shot in a 44 magnum cylinder. Could it be gap around the bullet during the time it takes the bullet to jump to the throat?
    The person who said that "money can't buy you happiness" has never been to a gun show.

  5. #5
    Boolit Master

    jedomejd's Avatar
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    I'm with Outpost, fit first. Have you tried this same bullet in a magnum case with this powder? Which powder are you using?
    Jeff
    Last edited by jedomejd; 01-08-2018 at 02:33 PM. Reason: Typo

  6. #6
    Boolit Mold DownRangeDan's Avatar
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    I'm using HP38
    The person who said that "money can't buy you happiness" has never been to a gun show.

  7. #7
    Boolit Master


    Nueces's Avatar
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    I used to get the very same leading when shooting the old Remington swaged 45 Colt bullets over 8/Unique. They were pretty large, 0.456" or so, and threw off a lot of spray entering the small forcing cone on a 2nd gen Cot SAA. What a mess. It got better after I reswaged them to 0.452" in a CH-101 die set.

  8. #8
    Boolit Master Outpost75's Avatar
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    Quote Originally Posted by DownRangeDan View Post
    I will check this. Also, this is 44 special being shot in a 44 magnum cylinder. Could it be gap around the bullet during the time it takes the bullet to jump to the throat?
    YES! That is most likely "it."
    The ENEMY is listening.
    HE wants to know what YOU know.
    Keep it to yourself.

  9. #9
    Boolit Mold DownRangeDan's Avatar
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    I will try the same load in 44 Magnum brass and see if it makes a difference.
    The person who said that "money can't buy you happiness" has never been to a gun show.

  10. #10
    Boolit Man varmintpopper's Avatar
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    Another possibility,, Lead shaving caused by barrel/Cylinder alignment.

    Good Shooting

    Lindy

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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