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Was at a Cabelas last week and saw some Norma MRP on the shelf. I have not seen any MRP in 10 years, maybe 15... I bought 2 lbs just on impulse. Now I cannot find any loading data... I have a old 300 Wea. I thought I would try some in. Never thought I would see this product again. I think it said on the side of the container that it is distributerd by Western Powders. It is in the same type of container as AA powders. EZ | ||
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If all else fails you can get by with RL22 data. Many call them the same powder. Depending on the lot of RL22 it is sometimes a gr or 2 hotter than MRP. I have some RL22 that loads gr for gr with my old MRP loads. As usual just my $.02 Paul K | |||
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One of Us |
Norma MRP is very good stuff. It's been on sale from Powder Valley and Midway for quite some time. It was a replacement for N205. Thus, N205 data may be a good approximation, in addition to the R22 data suggested by Paul. | |||
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One of Us |
I have an old Hornady 3rd edition that shows a bunch of MRP data for the 300 Wby. 75-85 grs for a 165 gn SP, 72-81 grs for a 180 gn SP. One needs to use caution with that dated info though. | |||
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One of Us |
I believe Waters pet loads has MRP loads for some cartridges. | |||
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