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Discussion in 'Reloading' started by captfa, Nov 10, 2009.
Doing a load for 338wm with 175gr Barnes xfb, to be fired from a Ruger #1.
I do not know for that particular caliber, but in my guns anyway, that i use regular 4350 and 760, the 760 is much more consistent and accurate. i am not sure of the temperature sensitivity of 4350 but i was told 760 is temperature sensitive going to very warm temperatures. the h4350 should be much less temperature sensitive than 760 and i would also assume 4350
I have used both w760 and ADI 2209 (ADI make it and it gets sold as H4350 over there but easy to get ADI over here in NZ )
I used magnum primers with the ball powder and had very good groups but with the change of season the groups opened .....the W760 went from .268 groups to 1.15 .....I could have tried different loads but just tried the old load I had for 2209 and it grouped tight so left it at that
Found the 2209 cleaner burning but been told you get a better barrel life with the W760 not that that will be an issue with the 338WM (freind uses W760 in his 22-243 to save the barrel)