Thread: [langtitle=sv]Heavy mag loads in a 686-3 8 3/8"[/langtitle]
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Old 05-27-2010, 03:48 PM
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Quote:
Originally Posted by RidgwayCO View Post
Be aware, Speer #14 says that the maximum load with that bullet in the .357 Magnum is 15.0gr of VV N110. QuickLOAD says your 15.5gr load is OK (32,326 psi) predicting 1588 fps from your 8-3/8" barrel (1.570" COL with the Speer 158gr JSP (#4217), and a standard SP primer).

Personally, I'd back the load down to 15.0gr (the Speer #14 maximum) and enjoy the ~1500 fps performance.
Interesting, because VV manual say 15,1-15,9gr for Speer JHP 158gr.
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