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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Fri May 13, 2011 6:40 am Post subject: Superformance in .223 |
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I swung by Cabela's on the way home from the airport yesterday and picked up some Superformance. Hornady has it loaded in .223 and thought I'd give it a try to see what sort of velocity improvement I could get for my long-range 75gr A-Max load. Hodgdon hasn't released any load data for the .223 yet but they do have some for the .22-250. There is also no data in our database, so I derived the following recipe. Thought I'd share it to see if others might have comments or suggests (or warnings).
I used Varget and H4895 as a reference. The .22-250 Suprform data is:
70 GR. SPR SP _ 37.0 gr _ 50,500 PSI
This is the low-end for the .22-250 but is equivalent pressure to the .223 loads.
The Varget and H4895 loads, respectively, are:
70 GR. SPR SP _ 26.0C _ 48,400 CUP (.223)
70 GR. SPR SP _ 32.0 gr_ 50,300 CUP (.22-250)
70 GR. SPR SP _ 25.0 gr_ 50,500 CUP (.223)
70 GR. SPR SP _ 31.5 gr_ 50,700 CUP (.22-250)
For equivalent pressure, the .223 is 6 to 6.5 grains less powder than the .22-250. In this manner, I would derive that my max Superformance load for a 70 gr bullet would be 30.5/31.0 grains. Hodgdon list similar powder loads for the 75gr JLK VLD which is what I've been using for my 75gr A-Max.
Superformance seems to have significantly more powder weight in their loads compared to other powders. I think I'll go see how much a case holds as a comparison.
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein |
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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Fri May 13, 2011 7:00 am Post subject: Re: Superformance in .223 |
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a .223 case (Remington) holds the following amount of powder flush to the top:
28.1gr Varget
31.5gr Superformance
My 75 A-Max load is 24.1gr of Varget and 25.0 gives you a compressed load.
I think I'll have to stew a bit more on this before I pour any Superformance into my .223 cases.
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein |
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Ominivision1 Super Member
Joined: Sep 20, 2010 Posts: 2984 Location: Iowa
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Posted: Fri May 13, 2011 7:32 am Post subject: Re: Superformance in .223 |
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Hey Slim, that powder is made by St Marks in Florida, I also can't find any data with this powder for the .223. I wonder if you shoot Hodgdon's an e-mail and ask them?
_________________ Regards
Limitations are but boundaries created inside our minds. |
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Pumpkinslinger Super Member
Joined: Sep 22, 2007 Posts: 5001 Location: NC foothills
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Posted: Fri May 13, 2011 7:39 am Post subject: Re: Superformance in .223 |
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Personally, I'd call Hodgdon (913-362-9455) before I tried any derived load. If they are already loading ammo with it there must be some safe, reliable load info available.
_________________ Mike
"I ain't no better than anybody else, and there ain't nobody better than me!" Ma Kettle |
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shrpshtrjoe Super Red Neck Member
Joined: Jan 26, 2005 Posts: 2965 Location: Maryland
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Posted: Fri May 13, 2011 8:00 am Post subject: Re: Superformance in .223 |
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Pumpkinslinger wrote: |
Personally, I'd call Hodgdon (913-362-9455) before I tried any derived load. If they are already loading ammo with it there must be some safe, reliable load info available. |
+1 I would get some Info from Hodgdons...
_________________ "MOLON LABE"
P E T A
People Eating Tasty Animals |
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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Fri May 13, 2011 10:23 am Post subject: Re: Superformance in .223 |
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looks like they take Friday's off.
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein |
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Ominivision1 Super Member
Joined: Sep 20, 2010 Posts: 2984 Location: Iowa
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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Fri May 13, 2011 11:28 am Post subject: Re: Superformance in .223 |
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OV1, thanks for reminding us of this bewitching date. No, I checked their website. They work a 4-day week.
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein |
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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Fri May 13, 2011 12:07 pm Post subject: Re: Superformance in .223 |
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Hornady has Superformance loads in
.223 Rem 75 gr. BTHP (24" BBL) 2930 fps
5.56 NATO 75 gr. BTHP (20" BBL) 2910 fps
However, found in web searches that there are more than 30 variations of powder blends for Superformance factory ammo. The one Hodgdon is selling is or may not be the same as Hornady is using for its .223 Superformance ammo.
There are also warnings "do not try this with anything but what is listed".
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein |
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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Fri May 13, 2011 12:52 pm Post subject: Re: Superformance in .223 |
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I sent an email to Hodgdon and will wait for their response. A web search found a response from last winter that will probably look like the one I will get.
____________________________________
Here’s the deal. Hornady uses many, many blends to load all of the cartridges in their Superformance line. We are introducing one of those blends. It has very limited application. It will not work in a 6.8 Remington. The only cartridges with Superformance powder data are:
22-250
243 Winchester
6mm Remington
243 WSSM
25 WSSM
300 WSM
300 Ruger Compact Magnum
There will not be any further cartridges used with this powder. At some point, if this powder is successful, we may bring out other blends but that is unknown at this time.
Mike Daly
Customer Satisfaction Manager
The Hodgdon Family of Fine Propellants
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein |
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Ominivision1 Super Member
Joined: Sep 20, 2010 Posts: 2984 Location: Iowa
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Posted: Fri May 13, 2011 1:01 pm Post subject: Re: Superformance in .223 |
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Yes, This is a blended powder made to Hornady/Hodgdons specs. I would wait until you get in touch with either one as they were both into the devopling the powder.
_________________ Regards
Limitations are but boundaries created inside our minds. |
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Vince Site Admin
Joined: May 25, 2005 Posts: 15704 Location: Brisbane AUSTRALIA
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Dawgdad Super Member
Joined: Feb 08, 2006 Posts: 1065 Location: On the Prairie
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Posted: Sat May 14, 2011 5:10 am Post subject: Re: Superformance in .223 |
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As much as I would like to say load up 23.0 grains and work up a safe load... unless you have a pressure transducer on your chamber - a blended powder can give surprising results.
_________________ Alcohol, Tobacco and Firearms should be a convenience store, not a government agency... |
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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Sat May 14, 2011 8:26 am Post subject: Re: Superformance in .223 |
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To me, the "blend" is not obvious looking at the powder granules.
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_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein |
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PaulS Super Member
Joined: Feb 18, 2006 Posts: 4330 Location: South-Eastern Washington - the State
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Posted: Sat May 14, 2011 10:38 pm Post subject: Re: Superformance in .223 |
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If they "blended" the finished grains it would settle outand you would end up with two powders in the same container. They blend the ingredients and then make the granules.
I know you knew that - I just had to say it.
_________________ Paul
__________________
Speer, Lyman, Hodgdon, Sierra, and Hornady = reliable loading data
So and So's pages on the internet = NOT reliable loading data
Always check data against manuals
NEVER exceed maximum listed loads |
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