7.2 -> 7.4 grains of LongShot
1.145 oal
124 gr Montana Gold jhp (cone like ones... as opposed to the round ones)
Federal small pistol primers (yes federal pistol... no issues here, no pierce primers or signs of that,,, no signs of over pressure)
Mind you I am using a KKM drop in barrel and a 4 port compensator from carver
http://www.bb-enterprise.biz/item177681.ctlg
use at your own risk and common sense applies here.... start with 10% less of the minimum and work your way up... but I strongly recomend not to go past the 7.4 grains mark...
I am also using an 11lbs main spring.... Yes I am