I am getting ready to try this combo using Nosler brass. N560 is not listed in the V V manual for this combo. My QL suggests a max load of 74.5 grs. The OAL will be 3.375 from a 25.3" barrel. Does this sound about right ? I will work up to this load, chronographing as I shoot. Does anybody hav any reccomendations as what the real world performance might be ? Does 3100 fps. sound unreasonable. Also, how does this powder perform in cold weather--much lost velocity ?
Thanks,
Jim

VV N560 is an excellent magnum powder and will produce good velocities.

Check out Vihtavouri's website here.

For their 180 bullets, they max out at 77.3gr. The 190 bullet was listed with around 75.0 gr max.

Thanks, Doc.