Quote Originally Posted by Kamikaze007 View Post
How should I do test loads on a 300 wm. Normally I do 3 rounds in .3 gr increments. That is for 223 though. Makes me load about 21 rounds or so normally. With 300 that would be like 60 rounds just for testing... should I do single grain increments than go to half to refine?


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My load development for all rifles is .5 grain. I choose the best group and if I think I could do better I go .2 above and below the load I chose. I really enjoy shooting though so I probably don’t choose the most effective methods.


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