In retrospect, Smith & Wesson had nobody to blame for the situation but themselves. The company didn’t invent the subcompact, lightweight, single-stack nine, of course. Walther and Beretta had preceded the original Shield to market by a few years with the PPS and the Nano, respectively, and Kahr had more or less created the niche back in the 1990s.
Looking for a home-defense shotgun that everyone can use? EAA’s Churchill line just added two models that are worth a look.
Brownells new upper assembly allows you to convert your mil-spec AR-pattern pistol to 300 BLK and back.