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June 2, 2013, 10:20 AM | #26 |
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Join Date: November 17, 2000
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And that has guaranteed safe driving among teenagers?
When you go to classes - you find the instructor always has to shut up folks who want to talk bullets and guns. The teachers wanted to discuss mindset, tactics, etc. But Teacher - should I use 165 gr vs 230?
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June 2, 2013, 03:48 PM | #27 |
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Join Date: July 6, 2012
Location: Omaha, NE
Posts: 73
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Clarification and Thanks
For all the replies, thanks.
Additionally, I apologize for any confusion as I was cramming questions together. My purchase of an AR and my interest in home defense are not really related. The ammo question was simply for recreational shooting. My interest in learning more about home defense was a separate topic. At this time I do not plan to use the AR for home defense. I do not have the experience or training to do so. I'm simply looking to learn the various aspects of home defense and the most realistic situations. Sorry about that...but the ensuing discussion has been informative. |
June 3, 2013, 09:52 PM | #28 | |
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Join Date: June 12, 2000
Location: Texas and Oklahoma area
Posts: 8,462
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Quote:
A 55gr bullet moving at 3000fps tends to break up when it hits something and the resulting fragments have little mass and shed energy quickly. A .45 travelling at 1000fps stays in one piece until it runs out of energy. Here is another example, in addition to the one already given to you: http://www.state.nj.us/lps/dcj/njpdr...board_test.pdf |
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June 4, 2013, 01:49 AM | #29 | |
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Join Date: January 2, 2013
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Quote:
Regardless of whatever "facts" you may have read, MY OPINION is that a long gun at 3k fps, 223 cal is inappropriate for home defense. Now before the thread gets shut down, can we agree to disagree? Or do I need to give you the names of the widows and kids of my LEO friends (two of them, separate incidents) who were killed when shot with an AR through car body panels AND a ballistic vest? Please choose whatever you want for HD. If you think a rifle designed for fighting in the jungle is ideal, please use that. I hope you never have to use that, or any weapon, to shoot someone. Sgt Lumpy |
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June 4, 2013, 08:32 AM | #30 | |
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Join Date: June 12, 2000
Location: Texas and Oklahoma area
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Ammo type is more important than caliber. Additionally, understanding the physics of what happens when a bullet strikes something is important. This doesn't mean that you can grab any .223 and use it indoors without penetrating other rooms - on the contrary, pretty much any caliber that meets the FBI minimum criteria for self-defense will penetrate multiple indoor walls. However, the stuff you were saying about .223 penetration is hyperbole. Even .223 FMJ that fails to yaw or fragment doesn't penetrate like that. You clearly are either not reading or not understanding the links if you aren't getting some of these concepts. |
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June 4, 2013, 08:55 AM | #31 | |
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Join Date: May 20, 2011
Location: Texas
Posts: 66
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New to AR and Self Defense Questions
Quote:
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June 4, 2013, 10:50 PM | #32 | |
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Join Date: November 1, 2011
Location: Near St. Louis, Missouri
Posts: 864
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Quote:
I do remember the huge difference in water spray. The handgun rounds busted open the first jug and then penetrated the rest. The 223 absolutely pulverized the water jugs and threw water spray a great distance. The impact was much more violent with the 223. |
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