Kevlar pajamas, and 1/4 inch steel walls? In florida you can pretty much fire a 357, 40 or 9, and go through a few houses, since our houses are just stucko on 1/4 inch plywood. I am afraid either you miss the perp and accidentlly take out a neighboor. Possiblly the hydrashocks will stop after expansion, but silvertips and magsafes are about the safest way to go. The main thing is to make it so incovienient to B&E, that they go elsware. Like alarm systems with battery backup, and a dialer on a battery also,motion detectors, sirens and dogs. You can still have your toys at the ready, but a pro will pass.