And lastly, an SD/pack pistol will be fired Uncovered... no ear muff and only glasses if you happen to be wearing any at the time.
Std. pressure .45 ACP out of a Short Bbl. (and 3.78" is not all that short) is a "Boom!"
.40 S&W " " " " " is a "BANG!"
10 mm Auto or .357 Mag. is a dial tone for an hour or so and then ringin' for the rest of the day. NTS.