"...with exception of Lee..." Isn't their data. Lee tests nothing themselves. Probably Vihtavuori's data.
SAMMI max OAL is 2.260". The Vihtavuori 156 grain data is right at that.
There's some unconfirmed, Berger(who want you to buy their manual), data here.
http://www.65grendel.com/forum/archi...php/t-653.html[