This. Or at least all your defensive handguns should have the same operational characteristics. When the SHTF the last thing you want is to grab your 1911 thinking you've grabbed your Glock. Every second counts. I made a conscious switch to HK's for my defensive handguns. They may have a bit different grip, but all the mag releases, triggers, and safety levers work the same. All the same DA/SA trigger pull. Consistency matters especially under stress.... but they are all the same brand and model and caliber....