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Old 01-17-2012, 04:47 AM   #1
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Default Would this be good sd ammo

5.56 NATO hornady superformance 75 grain bth? If so I think I will stock up on some. Unless someone can tell me what would be better. I already have lots of American eagle 5.56 xm193 and American eagle 223 55gr from wal mart. Just want something a little heavier for self defense .

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Old 01-17-2012, 04:58 AM   #2
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Originally Posted by tenntyrant View Post
5.56 NATO hornady superformance 75 grain bth? If so I think I will stock up on some. Unless someone can tell me what would be better. I already have lots of American eagle 5.56 xm193 and American eagle 223 55gr from wal mart. Just want something a little heavier for self defense .
You'll need a fast twist rate to stabilize that big ol' bullet. Some 1:9 can handle them and some can't.
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Old 01-17-2012, 05:00 AM   #3
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What barrel twist do you have? If slower than 1:7 you definitely should test a small amount before stocking up on 75gr.

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Old 01-17-2012, 05:00 AM   #4
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That stuff sounds expensive... Go with xm855.. It's steel core armor piercing ammo 62gr.. Palmetto has lake city usually 350 bucks for 1k rds plus 12 bucks shipping... I've turned to PMC x tac line of 855 and love it... Only about 300 bucks for 1k!!

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Old 01-17-2012, 05:01 AM   #5
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Yes I have a colt with a 1/7 twist and 16 inch barrel

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Old 01-17-2012, 05:06 AM   #6
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Yes I have a colt with a 1/7 twist and 16 inch barrel
The ammo that you described should perform very well with your rifle, i have a 1:9 twist and at the moment im using 77g blackhills HP.its performimg pretty good in my rifle, i could just imagine how it would perform out of your rifle
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Old 01-17-2012, 05:56 AM   #7
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(X)M855 is a horrible choice for SELF DEFENSE. Biggest reason being the imminent pass through risk.

If you're planning on going to war, THEN, it would be a great choice.


Heavy projectiles such as the 77gr SMK(MK262 MOD O) are great for extended distances. Far beyond anything that would be constitute reasonable "self defense" distance.


A 40-50 grain HP would be ideal for upclose work. Something that's going to come apart on impact, explode, if you will... minimal chance for shoot through.

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Old 01-17-2012, 06:00 AM   #8
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Look at Winchester PDX1's in a .223. It's a 60 grain hollow point

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Old 01-17-2012, 07:07 AM   #9
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I would never run to my ar15 for self defense in my home.. That's what a 12 ga 870 is for.... Or your pistol if u have one... I look at my ar as a 100 yd + gun since as of now I have a scope on it.. Just my opinion..

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Old 01-17-2012, 01:07 PM   #10
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The heavies like you describe are for long range use. Shooting something like that in your house is just asking for trouble. There are so many better choices for HD than an AR, like the Rem. 870 described above. If I had no other choice other than an AR I think I'd go with something light like a 50 gr. Hornady Varmit Grenade. That way it will shatter on impact and not penetrate 5 or 6 walls and kill someone in the house next door.

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