.308 LOAD

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14 years 4 months ago #4492 by AZSNIPER
.308 LOAD was created by AZSNIPER
hi im looking to see if anyone has a load for .308 using win 748 powder and nosler 165 gr ballistic tip?
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14 years 4 months ago #4495 by a Guest
Replied by a Guest on topic Re:.308 LOAD
AZ you will be safe with 45grs of 748 but get some Varget and forget the 748. The groups will be better.MSH

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14 years 4 months ago #4496 by lotoofla
Replied by lotoofla on topic Re:.308 LOAD
Your use of W748 really is'nt a good choice as it is A 'LOAD SENSITIVE' powder, meaning what load data you get you must use EXACTLY with NO REDUCTIONS!! Go to Hodgdons web site and go to load data and print the page using all the powders (IMR, Hodgdon, WW) for the 165gr bullet. I'm trying to read through inquirie and I suspect that your using a Dillon powder measure. If you are any of the 4895's (and was made for this cartridge) will measure very accurately through your measure. The Lee 'Perfect Powder Measure' with their rifle charging die set up will meter out the biggest stick powder to less than 0.1gr varience per 10 throws from the measure, and it will adapt to your Dillon press very easely. Tom

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14 years 4 months ago #4503 by Edge
Replied by Edge on topic Re:.308 LOAD
I would start at 42 gr and load in .2 gr increments up to 45.6 gr to find your "best accuracy node". Inspect each case after shooting for pressure signs. Keep same POA for each shot/load, and keep track where each shot landed. When you get 3 that touch each other, then you know that you can work within that range. For example, lets say shots 5, 6, and 7 are touching and they were loaded with 43.6, 43.8, and 44 gr. of powder. Then go back and load 5 round each of 43.6, 43.7, 43.8, 43.9, and 44 gr. Shoot each in their own 5 round group and whichever has the best group, lets say the 43.8 gr loads, then that's your loading.

If you have access to a chronograph, use it! If you don't like the speed, and there are no signs of pressure, then do the same routine over again, except bump up the powder charges. Lets say 44.6 to 46 gr. in .2 gr increments. Again inspect each case for overpressure signs.

If you live in an area that has major temperature swings, then you will want to test your load during the spring, summer, fall and winter. I don't think WW748 is an "extreme" powder, so your velocities and pressures will vary depending on the temperature, so you will have to check to make sure you are safe to shoot your load in all weather extremes.

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