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Marlin 1894C max loads & Speer Reloading Manual #14

Discussion in 'Handloading and Reloading' started by Groundhog92614, Apr 19, 2008.

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  1. Groundhog92614

    Groundhog92614 Member

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    Apr 21, 2007
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    I am playing with 180 gr bullets in my Marlin 1894C (.357). In the new Speer Reloading Manual #14 is a section titled 357 Magnum Silhouette. The loads listed are said to approach the "industry pressure limit of 45,000 CUP" for heavy frame revolvers.

    Can anyone tell me the pressure limit for my new Marlin 1894C, and if the Speer loads are potentially excessive? For example, Speers lists a max H110 charge of 16.1 gr for their 180 gr TMJ Sil bullet. This is far higher than other references I have found.
     
  2. DMZ

    DMZ Member

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    Mar 7, 2007
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    I know that if you compare the recommended .357 Magnum Rifle loads, with the .357 Pistol loads, they are the same and within the industry standard of 35,000 psi. In your Marlin '94 I would not exceed that pressure.
     
  3. ReloaderFred

    ReloaderFred Member

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    If you switch to Hodgdon's Lil'Gun powder, you'll get higher velocity, better accuracy and less pressure than with H-110 or Winchester 296 with 180 grain bullets. I've been using it for 185 grain cast gas check bullets and it's a winner.

    Most reloading manuals will list .357 Magnum loads in the rifle section of the data. You should check there first.

    Hope this helps.

    Fred
     
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