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.357 bullets OK in 38 Super?

Discussion in 'Handloading and Reloading' started by squarles67, Jun 1, 2011.

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  1. squarles67

    squarles67 Member

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    Slugged the barrel in my new Colt 38 Super last night and it measures .355. Will a .357 bullet in this barrel be asking for trouble?

    I bought a bunch of Reminton 130g FMJ to use in my new Super before I actually sugged the bbl and they are .357 (they actually measure .357 too).

    Thanks
     
  2. Jim Watson

    Jim Watson Member

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    As long as the loaded rounds will chamber freely, you will be ok.
    If they are tight in the chamber, they are too large; the dreaded Clark "Bullet Pinch."
     
  3. murf

    murf Member

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    if they were lead bullets i would try it. i don't think i would try fmjs. imop

    murf
     
  4. gamestalker

    gamestalker member

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    I would be concerned about bullet pinch. Even if the round chambers freely it may still be too tight a fit to allow for enough expansion resulting in much higher pressures. The resulting delay can cause some really high pressure spikes. As already mentioned, lead bullets are not as much a concern, but a jacketed bullet is where trouble can develope.
     
  5. Otto

    Otto Member

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    Where did you buy Rem 130gr .357" bullets?
    Remington sells 38 special ammo with that bullet but not in component form...AFAIK
     
  6. PO2Hammer

    PO2Hammer Member

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    There is data for .357 bullets in the Super. The Hodgdon annual has some.
    I use the .356" - 125 grain Hornady HAP quite a bit in the 9mm and Super which mic's ~ .3566".
     
  7. squarles67

    squarles67 Member

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    I got them at Graf's, they're listed under 38 Super.

    http://www.grafs.com/retail/catalog/product/productId/16399

    I assumed the barrel would be .356 in the Super then they would be fine but when it slugged at .355 I began to wonder. The more I think about it though we're talking about .001, that aint much. I think I'm gonna start low and try some.

    I also have some of the HAP to try as well.
     
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