Ancient One,
First, thank you for your service!
Now, to the question at hand. Last November while at the Sig Academy for the Adaptive Defensive Shooting Summit, I haunted the Sig Pro Shop with the intention of purchasing a Sig with the generous discount extended to the participants. I handled the: P365, P320 Xcompact, and the SP2022. Of the three, none stood out as requiring an unusual degree of effort to rack the slide.
If you're apprehensive about carrying either Sig with a round chambered because of the issues with "spontaneous discharges", I can appreciate where you are coming from. I have been researching this issue, since I won a P320 Xcompact at the ADSS, and I share your concern. From what I have found, is that this issue has not been seen in any of the X series P320s or in the P365s.
Sir, while the ADSS addressed one-handed manipulation of our handguns both in preparation for the stages and in making the arms safe at the conclusion of the match, we never addressed chambering a round when the clock started the stage! Respectfully, if you are concerned with an unintended discharge with either of these handguns, might I suggest carrying a smaller 1911 pattern pistol in condition one or a revolver?