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 Post subject: which one is most powerful
PostPosted: Fri Sep 19, 2003 5:20 pm 
In what order are these three in being most powerful 209, 209M ,209SC




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 Post subject: Re: which one is most powerful
PostPosted: Fri Sep 19, 2003 10:44 pm 
In terms of brisance, that is how hot the primer burns, it goes 209, 209SC, and 209M. The 209 SC and M are close in brisance, the SC is just considered to be more consistant. That said, the primers still should not be interchanged as a rule, especially in small guages. Looking at the loading tables, it seems that there are some combinations that actually have pressure rises when going to a "cooler" primer. That may carry over to other loads and result in unsafe pressures.


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