Thanks guys!
As a followup question...
I have a pile of 700X. Anyone successful throwing it in a Lee or similar progressive?
Otherwise I will bite the bullet...and buy a ball powder.
Oh, and anyone using the Lee 4000 progressive? I don't need fancy, just suitable.
I always buy, a good Ball Powder for ANY, "Use" that, I can use it for, as it "Throws" out of a Measure or, Lil' Dandy so, well and it and will save, a lot of, Time when, Reloading.
Staball 65 is awesome, in my 6.5 Creedmoor ( 130 to 143 gr. bullets ) and in my son's 7MM-08 ( with "Heavies" of, 150 to 168 gr, bullets ) and I use, W-231 in my .38 Spl or, 9 MM ( I use, AA #7 W/147's ).
I found "Flake Powders" tend to "Bridge",. sometimes ! I really liked Unique a lot, in Pistol Ctg's but, after Testing & Weighing, a Bunch of Charges, NOT any more ! So I would suspect that, 700X could be, Similar.
BUT,.. Weigh, a bunch to, Test for yourself to, be,.. SURE ! Avoid MAX charges with, any Flake Powder, IF "Thrown",... IMO !