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  #1  
Old 02-12-2013, 06:11 PM
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30-06 springfield with wc852 or data85 powder


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I have acquired several pounds of these powders and would appreciate some data for these with a 147/150 grain jacketed bullet. Thanks
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Old 02-13-2013, 08:46 AM
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Do you have the fast or slow lot of wc852? They are distinctly different.

I have not heard of data85, is that the same thing or something else? Where did you get these powders and did you get any information on the burn rate?
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Old 02-13-2013, 09:41 AM
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Welcome to the forum.

Note that if you have the slow lot of WC852 it is not considered safe with the Garand Op-Rod system firing a 150 grain bullet. In a bolt rifle it would be OK. Of course, you may have yet a third lot. You could probably use it with the Garand with a 180 grain bullet load, though, as the smaller charge weight involved will produce lower muzzle pressure.

I can tell you that the military loaded the fast lot to around 53 grains in M2 Ball and the slow lot to around 56 grains in M2 Ball for machine guns-only (because of the rifle gas system problem). I would start a full 10% below the lower of those two and work up if you don't know which lot you have.

You can also get a vague idea by looking at Hodgdon's data for H380, which is a canister grade version of WC852. However, the canister grade is blended with held back fast or slow lots of WC852 in order to adjust its burn rate to a nominal value that allows you to rely on published load data. The bulk grade that you have purchased could have a considerably different burn rate, so the Hodgdon data is only ballpark and you could find you are several grains different with your particular lot of WC852 bulk powder.

CCI reformulated their magnum primers in 1989 specifically for lighting the St. Marks spherical powders like WC852, even in non-magnum applications. That is what I would choose to start with. Either the CCI 250 or the #34.
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Last edited by unclenick; 02-15-2013 at 06:36 AM.
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Old 02-14-2013, 04:31 PM
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If I remember correctly on the load data sheet I got with my WC852 (slow) it was 44 gr for M2 ball. I called Jeff to see if he still had a copy of the sheets and they were gone.
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Old 02-15-2013, 05:53 AM
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".....153 grains in M2 Ball and the slow lot to around 156 grains in M2 Ball....."
UncleNick, I think you have a typo there, unless I misunderstand something.
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Old 02-15-2013, 06:25 AM
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What is the exact lot number on your can of powder, Jack?
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Old 02-15-2013, 07:11 AM
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".....153 grains in M2 Ball and the slow lot to around 156 grains in M2 Ball....."
UncleNick, I think you have a typo there, unless I misunderstand something.
No kidding! I must have been half asleep for some reason and auto-typing the 100 after typing the bullet weight! Fortunately, that error would never have fit in a .30-06 case. Subtract 100 from each number (I've corrected the original post so as not to leave bad info up).

At one point I pulled 8 rounds of the M2 I have, which still has machine gun link shadows on it so I know it was intended for machine guns at one time. The charge averaged 56.2 grains. I can't find what I did with the Excel file, but the powder was still in a small container and I re-weighed it at 449.4 grains total for the 8 rounds. I found the bullet data Excel file, and they averaged 150.98 grains, with a standard deviation of 0.28 grains and an extreme spread of 0.86 grians (this is not precision shooting ammo). I just wish I had the SD and ES for the powder. I may have to pull some more, since I don't intend to use it in the Garand. I used to put 150 grain MatchKings in place of the bullets, which I have quite a collection of now. If I decide to shoot my Springfield '03 in a vintage military match, I may keep some for that.


Humpy,

At 44 grains you must be remembering a .308 load. I can't recall a normal power .30-06 load of any powder that I've come up with that's quite that light except maybe some 4198 loads and those super mild loads Hornady has for the Garand. Hodgdon loads the 150 grain Nosler BT with a starting load of 53 grains of H380 (canister grade WC852) and a maximum of 59 grains. The starting load shows close to 2800 fps like M2 is supposed to get to at the muzzle (2740 fps at 78 ft from the muzzle), which is what I think tends to verify the 53 grain number I remember hearing for the Garand-safe M2. Unfortunately I don't have any of that to verify it, though.

Well, I take part of that back. Checking the records, I used some 3031 loads get that light with 150's.
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Last edited by unclenick; 02-15-2013 at 07:30 AM.
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