See my post here:

http://goexpowder.com/phpBB2/viewtopic.php?t=817&postdays=0&postorder=a sc&start=15

APP/Pinnacle/Shockey's Gold are all made by APP. It is Ascorbic Acid Based(Vitamin C) not sugar!

Tripp7 is SUGAR BASED and Carmelizes into the Crud Ring.

Finally, APP/Shockey sticks will work either way, crushed or solid. If it crushes easily with out deforming your bullet in the process, then go for it. Otherwise, like you stated-bullet seating depth and integrity will be the deciding factors. If you switch to loose powder-ONLY buy the 3Fg, it is the best they make.

Hope this helps