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Benchmark loads for .223?
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one of us
posted
Anyone find good results using this new powder. Supposedly its more temp stable than H335. Although it won't meter as well through my Dillon, I think it will be within .3 grain. I'll experiment with both Sat by putting rounds of ammo in an ice chest before I shoot them and then for heat just leave them on the dash of my truck w/ the defrost on for 15 min or so. I'll post results when I'm done. Should be interesting
 
Posts: 94 | Location: Tri-Cities, WA | Registered: 07 November 2002Reply With Quote
<Deafdog>
posted
Hi Carverelli
Bench Mark 1 and Bench Mark 2 are made in Australia for Hodgson by ADI.

ADI powders are very temperature stable.
"ADI rifle powders are designed to give less ballistic variation with temperature changes than regular smokeless powders."

40gn bullet 26gn BM1 for 3,695fps (24" barrel)
------------27.5Cgn BM2 for 3,690fps

50gn bullet 24.8gns BM1 for 3,385fps
-----------26.3gns BM2 for 3,410fps

55gn bullet 24gns BM1 for 3,175fps
------------25.5gns BM2 for 3,240fps

Taken from ADI reloaders guide
see
http://www.adi-limited.com/handloaders-guide

Regards
Deafdog
 
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Hey guys, Here's an interesting table [Wink] at the ADI site that shows "powder equivalents" for various companies, including ADI, AA, Hodgdon, Dupont, Winchester, Vectan, and Alliant. Hodgdon "Benchmark" looks to be pretty comparable to ADI "Benchmark 2." (http://www.adi-limited.com/handloaders-guide/equivalents.html) Gary T.

[ 11-14-2002, 09:05: Message edited by: Gary T ]
 
Posts: 491 | Location: Springhill, LA | Registered: 27 March 2002Reply With Quote
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