I just went into my reloading room and grabbed some sized Sig brass(Speer) and grabbed a box Federal Gold Medal SPP and primed a handful, trickled out 12gr.AA#9 and put 125grfp Rainiers on top, loaded them into my XDm and went out and annoyed my neighbors. Here are my empties. I would say if you know anyone else with a Sig have them try them. I wouldn't doubt that the Feds are near the max in the Sig,and all it takes is that little bit to go over the top. I would think for Federal to sell them to the public they should be rated to take the pressures in all the Pistol calibers that they fit. I could also be wrong on that one,though
