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Old July 23, 2011, 04:56 PM   #1
jim8115
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155 grain lead in 40S&W with unique

I bought some 155 grain "black" coated bullets from precision. Alliant shows a max load of 8.0 grains Unique for a 155 jacketed ( 1207 FPS). Minus 10% would still be 7.2 grains .. that sounds high to me. Anyone have any input on using unique with 155 grain lead? I have used 5.0 grains of 231 and it shoots well but feels a bit light. I also used 5.5 unique with 180 grain lead, but havent loaded any 155's with unique.
Thanks
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Old July 23, 2011, 05:42 PM   #2
BDS-THR
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2004 Alliant load data shows 6.5 gr of Unique as max for 155 gr lead bullet.
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Old July 23, 2011, 07:17 PM   #3
jim8115
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I got the data i was referencing from their website
http://www.alliantpowder.com/reloade...29&bulletid=40
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Old July 23, 2011, 07:36 PM   #4
BDS-THR
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I would not recommend using jacketed load data for coated lead bullets, especially for higher pressure 40S&W caliber.

I would use the 2004 Alliant load data for lead bullet and do my work up from 10 percent below max (5.8 gr).

This is from Precision Bullets FAQ page - http://www.precisionbullets.com/faq.htm
Quote:
Q: Do I use reloading data for lead or jacketed bullets?
A: Any reloading data for cast lead bullets will work for precision bullets.
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Old July 23, 2011, 08:14 PM   #5
excelerater
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Unique and 40 ,you can do better.....
but follow a few grains less than Alliants recipe ,i usually start around
1Gn less than max is plenty for plinking
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Old July 23, 2011, 08:34 PM   #6
jim8115
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unique and 40

what powder would you recommend
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Old July 24, 2011, 03:38 AM   #7
farmerboy
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Plus one on number 4 post. Also I love Unique for the 40! Excellent powder
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Old July 26, 2011, 02:49 PM   #8
crowbeaner
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Hodgdon #26 shows 7.3 grains of Unique as max for a 155 jacketed. that's what I use for my HPs. I'd reduce it to 6.5 and try that with the cast ones.
AA #5 is great in the 40 cal too.
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