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OAL Question

Discussion in 'Handloading and Reloading' started by TenDriver, Feb 24, 2013.

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  1. TenDriver

    TenDriver Member

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    I was loading up a few 44s tonight, 247 gr cast bullets I pulled over 20.2 gr of IMR-4227.

    The question came up after I had seated and crimped of OAL. Lyman lists an OAL of 1.71 for 245 gr cast bullets. I measured mine at 1.598-1.060. Too deep? It's deeper than anything listed in the manual.

    For comparison I seated a bullet to 1.71 on an unprimed / uncharged case. It seems way too shallow to me. Most of the other loads list 1.61, and I'm starting to think 1.71 may be a misprint. ImageUploadedByTapatalk1361690836.272657.jpg
     
  2. rfwobbly

    rfwobbly Member

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    Your bullet should have a crimp cannilure to tell you where to seat.
     
  3. JRWhit

    JRWhit Member

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    The OAL from Lyman may be with a round nose, where as the other may be for flat point. At any rate
     
  4. Jesse Heywood

    Jesse Heywood Member

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    With lead bullets for revolvers seat in the groove, like the round on the left. The 1.71 is not a misprint, but probably for a different bullet.
     
  5. TenDriver

    TenDriver Member

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    Thanks, Jesse.
     
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