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Speer JHC 500 S&W 300gr data

This is a discussion on Speer JHC 500 S&W 300gr data within the Reloading forums, part of the Firearm Forum category; I cannot find data anywhere. Nor can I find a Speer manual to check. What book can I buy for this? I referred to as ...


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Old December 21st, 2019, 07:15 PM   #1
 
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Speer JHC 500 S&W 300gr data

I cannot find data anywhere. Nor can I find a Speer manual to check. What book can I buy for this?

I referred to as many sources as I could and developed a load.

Speer 300gr jhc, Longshot 22gr, col 2.010.

recoil probably 10-20% over factory grizzly 360gr 460 s&w. Comparing 4" and 5" x-frames for the two guns. No pressure signs. Accuracy good enough to hit bottles at 15-20 yards no problem.

Still, I'd like published data if it is even available



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Old December 22nd, 2019, 06:27 AM   #2
 
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This is as close as I can find.

https://www.speer-ammo.com/downloads...0_Revolver.pdf

This has some good data.

http://www.accuratepowder.com/wp-con....0-Web-REV.pdf
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