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Rifles, Reloading, Optics, Equipment
Reloading
Advice Please - 300 WSM Load Development
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<blockquote data-quote="Engineering101" data-source="post: 1079966" data-attributes="member: 63138"><p>Lpart</p><p> </p><p>RL-17, RL-26, RL-26 and RL-50 are all made by Nitrochemie in Switzerland and all share the same technology and have a temp drift rate of ~ 0.5 fps per degree F. This drift is much less than RL-22 and RL-25 which are horrible. I use the RL-17 family of powders for their outstanding performance and find I can live with the temp drift if I develop the load in temperatures within 15 degrees of those in which the ammo will be used. RL-23 uses a new tech and should be very temp stable. I haven't tried it yet but I don't doubt Alliant on this point. That one would be a good choice if you can find it. RL-33 is too slow to give top performance in the 300 WSM though it might be good in the 270 WSM which is much more overbore.</p></blockquote><p></p>
[QUOTE="Engineering101, post: 1079966, member: 63138"] Lpart RL-17, RL-26, RL-26 and RL-50 are all made by Nitrochemie in Switzerland and all share the same technology and have a temp drift rate of ~ 0.5 fps per degree F. This drift is much less than RL-22 and RL-25 which are horrible. I use the RL-17 family of powders for their outstanding performance and find I can live with the temp drift if I develop the load in temperatures within 15 degrees of those in which the ammo will be used. RL-23 uses a new tech and should be very temp stable. I haven't tried it yet but I don't doubt Alliant on this point. That one would be a good choice if you can find it. RL-33 is too slow to give top performance in the 300 WSM though it might be good in the 270 WSM which is much more overbore. [/QUOTE]
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Advice Please - 300 WSM Load Development
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