Mr. Lyman & his 49th Edition says:
RL-15 ------> 41.0 to 46.2
I have found most (95%+) of my accuracy loads have been between the low end to around the mid-point of the recipes in Lyman.
When in doubt, check another reference or reduce by 10%.
Especially if the case appears full to where you have to hammer the bullet in...
Be careful.
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