Bwana Six-Gun Posted March 31, 2013 Share Posted March 31, 2013 I am in a real bind. With all the shortages, I am finding myself with bullets, but no powder, or not a powder with load data. I have 115 gr. Moly Coat Precision Bullets, but no good load data. N-320 powder, but all their data is for jacketed bullets. anyone have a good load for 115's with n-320? Any help greatly appreciated. Link to comment Share on other sites More sharing options...
rhyrlik Posted March 31, 2013 Share Posted March 31, 2013 3.8-4.1grs at an OAL of 1.142" http://www.lapua.com/en/products/reloading/vihtavuori-reloading-data/relodata/6/34 Link to comment Share on other sites More sharing options...
BBBB Posted March 31, 2013 Share Posted March 31, 2013 As a general rule you can safely use jacketed data for lead bullets. The lead will often give a bit higher velocity which you can compensate for by using a few tenths less powder. The assumes the same weight and bullet shape, loaded to the same COAL. Link to comment Share on other sites More sharing options...
flack jacket Posted March 31, 2013 Share Posted March 31, 2013 As a general rule you can safely use jacketed data for lead bullets. The lead will often give a bit higher velocity which you can compensate for by using a few tenths less powder. The assumes the same weight and bullet shape, loaded to the same COAL. I agree.. Use the established "recipe" then adjust powder charge to the chrono, accuracy and function results. Charge Weight will always vary dependent on humidity. Meaning, I no longer weigh my charges after my baseline, since powder is dependent on volume, but we have not means of measuring volume, so we go by weight. Link to comment Share on other sites More sharing options...
Stician Posted April 2, 2013 Share Posted April 2, 2013 N320 will cycle reliably in my 34 from 3.4gr using a 147 to 4.1gr using 124. If you need to make 125,000 power factor I would stick with 4.1 with a light head. Link to comment Share on other sites More sharing options...
Bwana Six-Gun Posted April 4, 2013 Author Share Posted April 4, 2013 Thanks for the help guys. I guess it is time to do some load testing on the chrono. Link to comment Share on other sites More sharing options...
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