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Ballistics hypothetical....

Posted on 2/9/17 at 10:19 pm
Posted by PT24-7
Member since Jul 2013
4372 posts
Posted on 2/9/17 at 10:19 pm
I've read you don't want to shoot .556 out of anything shorter than a 8.5 inch barrel. So my question is which would you rather shoot someone with if your life depended on it (home defense scenario)...?

1. AR pistol in 5.56 with a 7.5 inch barrel and sig brace

2. Full size 9mm pistol
Posted by DownSouthJukin
Coaching Changes Board
Member since Jan 2014
27286 posts
Posted on 2/9/17 at 10:31 pm to
12 gauge with buckshot

But between your two, full size 9mm pistol with hollow points.

An AR pistol in 5.56 with a 7.5 inch barrel and sig brace would be a terrible home defense weapon.
Posted by texag7
College Station
Member since Apr 2014
37538 posts
Posted on 2/9/17 at 10:37 pm to
The AR and it's not close. 30 rounds moving around 2,300 fps.
Posted by CP3
Baton Rouge
Member since Sep 2009
7406 posts
Posted on 2/9/17 at 10:43 pm to
quote:

The AR and it's not close. 30 rounds moving around 2,300 fps.



Lol. Wut

High velocity with small projectile is not your friend in a home defense scenario
Posted by texag7
College Station
Member since Apr 2014
37538 posts
Posted on 2/9/17 at 10:45 pm to
quote:


High velocity with small projectile is not your friend in a home defense scenario



5.56 is used for home defense every day....
Posted by Ace Midnight
Between sanity and madness
Member since Dec 2006
89552 posts
Posted on 2/9/17 at 11:17 pm to
quote:

An AR pistol in 5.56 with a 7.5 inch barrel and sig brace would be a terrible home defense weapon.


You can get 5.56mm round in JHP. I'll agree it's not optimal, but still a long gun (i.e. a real gun).
Posted by ChatRabbit77
Baton Rouge
Member since May 2013
5861 posts
Posted on 2/9/17 at 11:52 pm to




This said, I would not go below 10.3 inches for a 5.56 gun because you lose so much velocity and this would only be if I built a mk18 clone. Otherwise I wouldnt go below 11.5.
Posted by PT24-7
Member since Jul 2013
4372 posts
Posted on 2/10/17 at 6:55 am to
Sorry I forgot to add to ignore over penetration. Speaking solely about the more effective rd to stop a threat at relative close range (inside 50ft).
Posted by NOLAGT
Over there
Member since Dec 2012
13540 posts
Posted on 2/10/17 at 7:02 am to
I thought about making my scorpion my HD gun. Light...30 rounds of 9mm hp...better pistol accuracy...quiet with a can for indoor blasting at a crackhead in my house.
Posted by PT24-7
Member since Jul 2013
4372 posts
Posted on 2/10/17 at 7:12 am to
How does that compare ballisticly to the 556 at 50ft?
Posted by CP3
Baton Rouge
Member since Sep 2009
7406 posts
Posted on 2/10/17 at 8:36 am to
quote:

5.56 is used for home defense every day....


that doesn't mean it's a better option. It just means a lot of people are stupid
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