There seem to be a bunch of people going through this thread down voting any responses which criticize the Apple decision. Apparently favoring communication consistency makes us gun nuts.
Maybe it’s anti-gun people who think that I’m a gun nut? I actually had no idea what gun it was – I know nothing about guns – and had to search quite a lot before I found an image which fit the reference glyph. On reading that that particular model is the standard handgun for much of the US armed forces since 1990, it made sense that it would be chosen as a representative model of a “PISTOL”.