Best Shotgun for Home Defense?

Alan

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I've been thinking about getting a shotgun for home defense and could use some advice from those with real experience. I'm stuck between a 12-gauge and 20-gauge. I know the 12-gauge packs a punch, but I've heard the 20-gauge has less recoil, which might make it better for indoor use. What do you think?

I'm also curious about barrel length and stock setups. What features do you find crucial for home defense? Looking for reliable models or brands that have worked for you.

On top of that, how important is training? I've shot shotguns before but never anything serious. What kind of practice should I be doing to feel prepared?
 
I've been thinking about getting a shotgun for home defense and could use some advice from those with real experience. I'm stuck between a 12-gauge and 20-gauge. I know the 12-gauge packs a punch, but I've heard the 20-gauge has less recoil, which might make it better for indoor use. What do you think?

I'm also curious about barrel length and stock setups. What features do you find crucial for home defense? Looking for reliable models or brands that have worked for you.

On top of that, how important is training? I've shot shotguns before but never anything serious. What kind of practice should I be doing to feel prepared?
You've heard some wivestales about 20 vs 12.
The 20 is typically in a lighter platform, and while the shell is smaller, recoil is NOT. Where 12 is a hard push, 20 is a sharp slap. If all I could have was a shotgun, im going straight for 12.
Carry over from over penetration is often a factor. an otherwise identical piece of buckshot traveling at about 1350 FPS has no cares about whether it came from a 12 or a 20. mass X velocity squared is the energy on that pellet on either side of the fence. the only terminal ballistic difference is the number of pellets. recoil and payload both tip the scales toward 12.
Now ... scan the store shelves for ammo.....
for any 1 given load offering you will find for 20g ... you will find no less than 6 similar in 12g. furthermore, many options in 12 aren't available in 20 at all.
From here on in, things are in limbo. With the passing of the BBB, taxes on SBR's and SBS's has been dropped to 0. However, pending new law suits, the NFA red tape remains. I'd not want the additional potential complications of an NFA weapon in a shooting. If the GOA is successful, my current 20" riot gun may be bested by something currently NFA regulated. At the time I got my 500a, my primary concern was external patrol rather than internal engagement.
even now, I consider a situation that has progressed to being inside my home a tactical failure. Yard intercept is still preferred. House clearing is exceedingly difficult.
As for indoor engagements, Something like an MP5SD would be my choice pending the outcome of current legal battles. 124 grain flying ashtrays with a suppressor in such a compact package is hard to beat in overall concept. But, we may be headed into uncharted territory very soon, where other options might be explored.

Live training is very difficult to facilitate. Back in WI my friends and I used to have a blast setting up various courses and kill houses. Good luck finding a range that'll cater to the kind of fire and movement practice you need in reality.
 
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I'll offer a few comments, just based on personal experience. As far as recoil is concerned, the 20 gauge shotguns I've fired always seemed to have less recoil than similar 12s, but that obviously depends on the loads, weight of the shotgun, etc. (but more lead going down the barrel, or higher velocity, generally means more recoil if the gun weight is the same).

Ammo availability on an average day is probably better for 12 gauge, and if you're looking for anything but target loads (buck shot or slugs, for example), your local discount store might not even have it in 20 gauge - lower demand usually means lower availability. Funny thing is, during panic buying (after Sandy Hook, during COVID, etc.), the popular calibers seem to disappear fastest: where I lived, 9mm & .45acp were gone before .40 S&W, .223/5.56 & .308 disappeared before 7.62x39, and I could find 20 gauge after 12 gauge was gone (and 16 gauge was available even after the 20 disappeared). If you keep more than a box or two on the shelf, it won't matter either way, but it might be worth keeping in mind.

As always IMHO, FWIW, YMMV, etc., etc.
:)
 
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even reloading the 20, you're just not as supported for the special collection as you are with 12.
Still, I have evolved to a completely different approach to this.
indoor shooting does not allow enough shot spread to significantly differentiate it from a rifle or pistol.
an 8"-10" 9mm or 10mm SBR with a suppressor would be some serious home defense medicine. If the NFA falls as some predict, that's my new bedside nastygram
 

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