And it also qualifies as the scariest sound in the world. You could find a tribe of people who have never seen anything remotely technically advanced, come up behind them and rack a round and one of them will say (in perfect English) "That's a 12 gauge!"
Of course, all of other tribespeople would be absolutely amazed at the perfect English....
>
>With a pump, you'll hear the second round being chambered (no silencer for the pump action). You can tell a pump w/o seeing it.
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>Semi autos don't have that second (open) pipe sticking all the way out.
"You don't manage people. You manage things - people you lead" Adm. Grace Hopper
Pflugerville, between a Rock and a Weird Place