Don't waste that auto comp on lite steel loads.... It is great MAJOR 9 powder unlike Tite group... Not sure of your guns recoil spring weight??
My guns is a core w/KKM 5" compensated barrel, 12lb spring.
My OAL 1.160
Mixed brass
Wsp primers
X-treme plated RN bullets
3.5grs Tite Group
115gr avg 958fps
124gr avg 968fps
These are my steel loads....
Autocomp w/124gr these are MAJOR 9 loads!!!!
7.0grs avg 1352
Hi 1384
Low 1321
7.2grs avg 1410
Hi 1450
Low 1380
I am going to lock in at 7.1 and call it Good.
Load plated bullets like you would for lead... And buy a chrono, and watch for pressuresigns!!!!
Oh and for the heck if it ...
124gr with 5.2 of Tite group
Avg 1244
Hi 1266
Low 1232
All these above showed NO PRESSURE SIGNS.
And all loads chrono'd 5-30-2014