Factory 230 Gr GS is 1.130 to 1.135 O.A.L.. I "assume" the 185 is as well.
I have only shot one or two loads with the 230 Gr GS, so don't really have any good info.
I loaded the 124 Gr GS at 1.120 to 1.125, which is what someone posted as the factory O.A.L., and it shot well there in a three different 9MMs. (EMP, TZ, RRA AR)
Any top end load (work it up) of AA #5, HS6, N340, or True Blue will do well. Other similar powders like Unique, Silhouette, etc should as well. The N340 turned out to be very efficient in the 3" EMP while still giving excellent velocities in the AR. It is also extremely clean and accurate.
I really like it for 124/5 Gr 9MM loads.
I simply took those four powders, and a couple more, and worked up to max with them.