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Primers

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21 April 2008, 03:04
nmason
Primers
Can I use magnum pistol primers in a .38 special by reducing the charge? If so how much should I reduce the load?
21 April 2008, 03:34
fredj338
Sure you can, not req'd but you can substitute. The reduction will depend on the powder & charge wt. If you are loading a med. burner like Unique & not near max. I don;t feel a reduction is needed (based on my own chronograph results). For a faster powder like HP38/W231, I would reduce 2-3%, about 0.2gr.


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21 April 2008, 03:43
nmason
I was shooting unique with 5.4 grs. and a 158gr. bullet.
21 April 2008, 04:27
Ol` Joe
5.4 grs and a 158 gr bullet is a pretty stout 38 spcl load. I`d back off if you switch primers.


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21 April 2008, 07:30
nmason
Do you think backing off to 5grs would be sufficient?