Have used most of the Ramshot rifle powders since it was introduced.....really like them, as they meter so well. And yep, finding any ramshot rifle powder was darn hard for a couple of years. Been only a couple of months ago, that places I shop for powder had any of it.
Darn if I can comment on them being temperature sensitive. Chuckle, live not that far from the Texas gulf coast.....kinda warm to hot here much of the year.
