257 WBY and Viht 560?

[MT257]

Anyone use N560 in their 257wby? If so would you mind sharing data? How is it in regards to temp stability?

 

[Seabeeken]

Temp stability is a relative term. Ive found vv powders to be fairly stable As double base powders go

 

[MT257]

Temp stability is a relative term. Ive found vv powders to be fairly stable As double base powders go

They performed for me this evening. Used it with 110 accubonds. Should have velocity of roughly 3425-3430 according to quickload data.