HD shotgun or pocket revolver?

[David E]

You have shotguns. If your 4+1 is an 870 or similar, you can buy a mag extension and a short barrel. If it's not, you can still probably buy a shorter barrel.

You have handguns. You have a Kahr PM-9 that fulfills the identical function you're wanting to buy the S&W for, so I don't see what you're gaining.

You have a Glock 23 for carry, should you want to get serious about it.

What I don't see you mention owning is a RIFLE.

If you don't have an AR, AK, Mini-14 or M1A, then that should be your priority now.

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[geologist]

For HD, get a good reliable shotgun, you don't need a lot of fancy doodads.Just buy a good reliable pump action with the shortest barrel you can legally own.

The use the $ you saved by not buying doodads and buy a bunch of ammo 2 3/4" OO buck, and practice with it. Practice shooting at 3 - 10 yards, loading, clearing jams/misfeeds/short strokes (happens to the best).