If there are any N560 loads for the .375 H&H Magnum, could you please post the data (bullet type/weight, powder charge, and muzzle velocity)?

Thanks.

Russ

Russel, sorry they list nothing but the N1** powders with this cartridge

Damn.

Thanks.

Russ

Russell,
Some answer in the afternoon, but by my experience, the 500 series are a little slower than the 100 series, and they are quietly interchangeable. A characteristic: in more noisy than 100 series powders.
bye

Russell, a quick e-mail to Vihta Vuori has always helped me when I have needed some help. They seem to respond promptly about powder and load questions. FWIW

Russell,
I had the same answer when I asked info on 9.3x62 to load it with 293grs Tug Bullet. I had to develop my own data.

I've not found any 375HH load data wit 500 series powder.

I can only confirm my previous mail. If you make some test you will probably find that it is possible to exceed the 100 series powder load data.
bye

Russ, I have three pressure-tested N 540 loading data here. However, they are from the DEVA reloading handbook 4th ed., not from Vihtavuori as you stipulated, so I doubt that's what you want ;-P.

Regards,
Carcano

Russell
I am wondering about this VV powder. I am seeing an indication that these 5 series powders are yielding higher velocities at lower pressures and I am also curious about some of the slower powders in the 100 series. Has anyone had these experiences and if so with which calibers. Just like everyone else I am looking for the best of velocities as well as the best accuracy. DRBOB

DRBOB,
I'm still testing N560. I had good results with 7x64, for a bullet of 139grs I put 63grs of N560,primer Federal GoldMatch, not Magnum. Absolutely very noisy,more than normal, but fast and precise, and with normal pressures. With other calbers I did not have the same results.
Still in test.
bye