Mark Vanderberg
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« on: December 29, 2011, 08:47:38 PM » |
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Been searching around and I have not been able to find any Reloading Data for the SinterFire .44 180gr Frangible.
Would any of you possibly have a book that has it in it? The bullet would be listed as sfire.
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Mark Vanderberg Forum AdministratorGun Rights Radio Network P.O. Box 966 South Bend, IN 46624 NRA Endowment Life Member & Second Amendment Foundation Life MemberCheck out my about.me profile! |
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« on: December 29, 2011, 08:47:38 PM » |
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Charlie Foxtrot
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« Reply #1 on: December 30, 2011, 11:42:27 AM » |
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No joy in the Hornady 7th edition, nor the Speer #14.
The Hornady manual does have loads for 180gr Cowboy lead bullets. Start with a low charge and slowly work up a load? Don't know, as I've never had to offroad with an unknown bullet before.
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« Reply #1 on: December 30, 2011, 11:42:27 AM » |
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Devereaux
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« Reply #2 on: December 30, 2011, 12:34:13 PM » |
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I would expect that you could load pretty much what that weight bullet takes in a light loading without any issues. You could then work forward to see how much it will tolerate. Remember that a frangible is only frangible when it HITS something. Otherwise it flies like a regular bullet. Because it is made of compressed stuff it might be a little more liable to come apart with pressure, but I would expect that only for high pressure loadings. And since .40's are already a pretty high pressure cartridge, as is the .357 Sig, and they shoot those in those calibres all day, you can't be far off with relatively normal loads based on bullet weight and some close profile. I know everyone talks about not exceeding the published stuff in the manual, but in truth loaders are exceeding the "limits" all the time. I doubt if you stay away from max loads that you will have ANY issue.
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Jim Fleming
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« Reply #3 on: December 30, 2011, 10:28:35 PM » |
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Mark, my suggestion is to find 180 grain data for the 44 mag, back down 15% and start from fifteen (15%) percent below max, not the normal ten. Why? because as you know, the surface of those frangibles are not lead, are they as ductile as lead? I'm saying are the as soft as lead? It might behoove you to consider this, before you go too much farther...
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« Reply #3 on: December 30, 2011, 10:28:35 PM » |
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Mark Vanderberg
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« Reply #4 on: December 30, 2011, 10:55:58 PM » |
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Picked up a revised edition of the Lee reloading manual and it now has frangible loads. But just not 44 mag, so as suggested I will start out on the low end of 180 gr. jacketed and work my way load up.
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Mark Vanderberg Forum AdministratorGun Rights Radio Network P.O. Box 966 South Bend, IN 46624 NRA Endowment Life Member & Second Amendment Foundation Life MemberCheck out my about.me profile! |
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Jim Fleming
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« Reply #5 on: December 30, 2011, 11:01:12 PM » |
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Wise move, Mark, have you done any testing on the hardness of the surface of the sfires?
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Take Care, Jim Fleming I will bleed, Red, White, & Blue forever. USAFR (Retired) NRA Life Member VFW Life Member Facebook: http://facebook.com/Jim.Fleming1953 |
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Mark Vanderberg
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« Reply #6 on: December 30, 2011, 11:08:47 PM » |
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No I have not tested the hardness of the frangible. But that's a good idea, next week when I go back to work I will get a friend of mine in the quality lab test the hardness for me.
Might as well have a copper jacketed and lead projectile tested also.
Will report back when I have some results.
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Mark Vanderberg Forum AdministratorGun Rights Radio Network P.O. Box 966 South Bend, IN 46624 NRA Endowment Life Member & Second Amendment Foundation Life MemberCheck out my about.me profile! |
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Jim Fleming
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« Reply #7 on: December 31, 2011, 06:06:40 AM » |
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Sounds good, and thanks, I'm very interested in the results.
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Take Care, Jim Fleming I will bleed, Red, White, & Blue forever. USAFR (Retired) NRA Life Member VFW Life Member Facebook: http://facebook.com/Jim.Fleming1953 |
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« Reply #7 on: December 31, 2011, 06:06:40 AM » |
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