Should You Use an AR 15 for Home Defense .pdf
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Should You Use an AR-15 for Home Defense?
May 23, 2018
The short answer is yes!
Why it Makes Sense to Use an AR-15 for Home Defense
1. The 5.56 mm or .223 round actually penetrates about as much or less than common
2. The AR-15 is easier to shoot under stress than a pistol. With a pistol, the shooter has
less control over the weapon. With a rifle, the shooter has more control over the weapon.
3. Similar to number 2, an AR-15 is easier to be accurate with.
4. The big one for me is the fact that an AR-15 is easier to shoot faster than a pistol. This is
especially true up close!
5. Another big reason to go for an AR-15 over a pistol is the higher magazine capacity.
6. An AR-15 will defeat soft body armor while more pistol rounds will not. There are plenty
“novelty” rounds out there that move fast enough to defeat soft armor but they don’t do
as much damage to the person under the armor as a 5.56 or .223 round does.
Overall the AR-15 will penetrate walls the same or less than a pistol, defeat body armor when a
pistol will not, is easier to shoot, faster to shoot and has more ammo.
It’s honestly hard to beat an AR-15 for home defense.
If you prefer the AK platform then an AK-74 is another good choice. The ballistics are very
close to the AR-15 (by design) so everything above still applies.
Just make sure you don’t use any of the .30 caliber rifles out there. Any .308 or 7.62mm (AK47) is really going to over penetrate! Only use these if they’re your only option or you live out in
the middle of nowhere. Even then you’ll need to be especially sure that there is nothing behind
your target that you may accidentally hit.
The Downsides of Using an AR-15 for Home Defense
They are VERY loud indoors. In the few situations when I’ve had to fire an M-4 indoors, they
left my head ringing afterward.
That’s really about it…I’ll take an AR-15 over a shotgun or pistol for home defense any day.
What Accessories do You Need?
Accessories on AR-15s can be a debate that goes on and on and that isn’t the focus of this
article. I’m just going to cover what I consider to be the minimum that you need for a home
First, a good light is a must. I really like the Surefire M300C. It has a simple on/off switch that
you can actuate with your thumb and is really bright.
It’s also a Surefire and I’ve had nothing but good luck with them over the past 17 years or so.
The next thing is iron sights. I normally have a fixed front sight and a pop up rear sight. The
rear sight can be anything that attaches firmly and holds zero.
I like built-to-last gear so I normally choose something along the lines of aTroy Industries
Folding Battle Sight.
That’s it. All you NEED to have is iron sights and a light. Anything else is extra.
Additional Reading: How to Stop a Vehicle with Gunfire – Eliminate the Latest Terrorist Threat
I like to put a red dot on all of my rifles that are going to be used for up-close work. I’ve always
used Aimpoints and I still use them. For overall longevity and durability, the Aimpoint H-1 is
my current favorite. Unless you need to use night vision, you can’t go wrong with it.
I’ve heard the Trijicon MRO is a great optic but I haven’t been able to get my hands on one yet
to say if they are. If they’re even half as good as an ACOG then I bet they’re great.
You can get a decent red dot for around $200 but my experience with them has been hit or
miss. I’ve used some that were great and I’ve had some that would turn off after two rounds.
Just be sure that whatever you choose functions well before you trust it with your life.
You could add a sling on your rifle as well but I don’t for home defense rifles.
The last part of the equation is ammo. Honestly, you can use anything and you’ll be effective. It
doesn’t have to be expensive to do what it needs to do, especially at close range.
With that being said, I like 77-grain bullets because they’re more effective against soft targets
than other types of 5.56 rounds. If you’re interested in finding similar rounds, you can just
google 77-grain open tip match or 77 gr OTM. At close range you don’t need the accuracy that
they’re known for, you’re looking for their ballistics against soft targets.
There are a lot of people out there that don’t believe an AR-15 should be used as a home
defense weapon. They’re worried about overpenetration and who knows what else. If you’re
still worried about these things I’d urge you to seek out the FBI tests that prove that an AR-15
is perfectly suited as a home defense rifle.
Did you find this article helpful? Let us know in the comments if you use an AR-15 for home
For other articles covering defense and tactics, check out this link.