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Old January 2, 2020, 12:53 PM   #1
jski
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Join Date: March 5, 2016
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155 gr bullets for 30 Carbine Blackhawk

I’ve been working on developing a heavy load for my 30 Carbine Blackhawk but hadn’t working on it of late. But then I got a LabRadar for Christmas! So I took my Blackhawk out today.

I’m loading 11 grains of H110 with a 155 grain cast bullet. Fired 50 rounds and got an average of 1265 FPS. That actually exceeded my expectations. I needed to get above 1200 FPS with the 1:20 twist rate to maintain stability out to 50 yards.

BTW, I didn’t see any signs of excessive pressure.
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Old January 3, 2020, 11:22 AM   #2
BBarn
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Join Date: December 22, 2015
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Your load appears to be unpublished and may exceed SAAMI pressure limits. Therefore your post should carry the suitable warning.

Last edited by BBarn; January 3, 2020 at 11:27 AM.
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Old January 4, 2020, 11:25 AM   #3
Russell P
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Join Date: April 28, 2017
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I know very little about the loading that you speak of but here is a post from Castboolits.com. I am sure it is public information so just click the link.

http://castboolits.gunloads.com/show...bine-Blackhawk

Good luck to you.
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