Originally Posted by SDGlock23
Book max load (9.5gr) of Longshot will get you close to if not over 1300 fps w/180gr. I'm not a fan of "full power" 10mm in a stock barrel, since even some load that aren't even considered warm begin to bulge the brass pretty good. The 9.5gr Longshot load does well and the case bulge is there for sure, but not horrendous.
Interesting. In my testing, 9.5 gr Longshot under a 180 XTP only gets about 1190 fps in my G20. I was a bit surprised by that.