I'm looking for info on RP5 powder.... Have not been able to find much except that it might be similar to Norma205 or Norma MP and MAY be cross referenced to H450 or Reloader19.....
Before I blow my face off I'm hoping that someone might have REAL info on this powder....

I'm trying to find max/min load for a 300 win mag, 180 gr accubond...

Well all or any info would be greatly appreciated.....
Thanks
Greybush

That RP5 powder in bulk probably came from the Gevelot plant in Saskatoon I believe.

I can find loading data after I check just which powder it is that you have.
I remember a 100 lb drum of RP3 that sold for $100 .
Gevelot

Glenn

English and European powders. Bofers RP5 falls right next to reloader 22 and Norma MRP

Not sure of the RP5 but I have excellent results with my Ruger MK 2 300 win mag using
h4350 71 g
Nobler 150 g pn 30150
OAL 3.465
.063 group at 100
I had to extend the OAL to tighten up the group. I can only get two rounds in the gun. But who need more then two with a 300