Originally Posted by Dragline45
Couldn't pick a worse round for an Air Marshall to carry. Overpenetration should be a concern when firing a gun on a crowded airplane, which makes the .357sig a bad choice. Also, airplanes are relatively confined spaces. Tapping off a high pressure .357sig in a confined space will almost certainly cause severe hearing loss/impairment compared to say a .45acp or a 9mm. Just a bad choice all around.
There is .357 Sig ammo that is made for shooting inside airplanes that will not penetrate the planes skin. Look it up. I happen to have a box of it in my ammo stash.