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Thread: SSR power floor for .38 special
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16-11-2011, 11:00 #1
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- Dec 2009
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- Johannesburg
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SSR power floor for .38 special
Hi All.
I am shooting my first league on saturday and would like to know if anyone can tell me how many gr of MP 200 would make power factor on a 2inch barrel with a .38 special? I have been loading 5.0 gr up to now for club shoots but have not had the pleasure of shooting over a chrony to see the speed.
I was thinking of loading min .38 loads of 5.4gr for the league but still scared that i might not make the power floor and waste everyone's time. Perfect world would be to load 200 rounds of each charge and use the one closesed to factor for the comp but it is a bit unrealistic. I will load a couple of test loads to shoot over the chrony to know for future. OL for length i us is 36.7mm with a 158g point copper jacket.
Any thoughts?
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16-11-2011, 11:18 #2
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- Feb 2009
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- Cape Town, South Africa
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- 3,803
Re: SSR power floor for .38 special
5.5 gr MP200 behing a 158gr cast bullet gives me 840 fps from a two inch snubby.
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16-11-2011, 12:07 #3
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- Dec 2009
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- Johannesburg
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- 41
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- 370
Re: SSR power floor for .38 special
Thanks for the help. That makes power factor with some to spare. On the day i can do test loads so that i know for the next time.
Thanks again
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17-11-2011, 11:13 #4
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- Sep 2009
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- Cape Town
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Re: SSR power floor for .38 special
Hi Havoc
What WRM said. You need 665fps, minimum, to make factor. 5.5gr MP200 & 158gr bullet should be fine. Lead bullets will achieve a higher velocity than a jacketed bullet when the same powder charge is used.
I use 5.2gr MP200 with 158CMJ Frontiers which gives me 740 - 780fps out of a 4" barrel.
Rule book basically says: 3 of your rounds to be tested for factor and if that doesn't make factor, you get a second chance, shooting another 3 rounds using another firearm with the longest barrel length, which for SSR is 4.2"
Your first League. Enjoy. And if you can remember - focus on the front sight when you're shooting.
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