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  #1  
Old 12-21-2012, 9:35 PM
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Default BEST AMMO FOR SIG 556

Just picked up my new Sig 556 Swat Classic ( just in time)

Need advise from you long timers out there,
1. What is best Ammo for target shooting ?
2. What is best Ammo for Long range Zombie Defense?

Thanks....Tim
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  #2  
Old 12-21-2012, 9:45 PM
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All I can say is good luck finding 223/5.56 ammo!
SIG556 having a 1:7 twist barrel is best with a heavier grain ammo, but for plinking any 55 gr should be good enough, if you want target shooting try 77 gr Blackhills brand.
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Old 12-21-2012, 9:53 PM
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unfortunately the Sig 556 is only capable of 2 MOA so any ammo will do
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Old 12-21-2012, 9:53 PM
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unfortunately the Sig 556 is only capable of 2 MOA so any ammo will do.. sorry for the double post but with the canted rail and the inaccurately of the gun.. it's what you get.. ask me how I know..

BTW some have a Sig 556 in the classified for $2500 LOL
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Old 12-21-2012, 10:07 PM
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Bongos please explain how you know, I am very interested in all stories
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Old 12-21-2012, 10:13 PM
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The Sig556 is a lot like an AK. It will eat any ammo you throw at it. Steel case, cheap russian ammo, nice lake city brass, you name it.

It seems to have the accuracy of a nice AK if you use cheap ammo. Get some more expensive 77gr ammo like speedpower suggested and you'll get tighter groups. Just don't expect amazing MOA accuracy from the 556.
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Old 12-21-2012, 10:41 PM
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Default What type is best for 200 yard Zombies

Thanks for the info, keep it coming

Is there a better type ammo for zombies at 200 yards, FMJ or Hollow Point etc.?

Is a 5.56X45 better for this purpose ?.

Last edited by Tmptch; 12-21-2012 at 10:55 PM..
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Old 12-21-2012, 10:49 PM
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Go hollow point or soft nose.
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Old 12-21-2012, 10:51 PM
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my opinion, get whichever of those is on-sale.
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Old 12-21-2012, 10:58 PM
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Would a 5.56X45 be better for this purpose?

I really appreciate the info.
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Old 12-21-2012, 11:08 PM
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for the purpose of target plinking?

223 or 556 will work in the sig556. if you want better accuracy, go for the heavier grain rounds as speedpower stated. if you're just having fun and looking to plink get either 223 or 556 in fmj or jhp

try some cheap stuff and see if you want to spend more to get better accuracy.
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Old 12-21-2012, 11:33 PM
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5.56 is just hotter than a .223, regarding youre accuracy you would be better off shooting high end .223 like blackhill, hornady custom, etc. Stay away frome the .223 winchester white box or umc.

If "zombie" ammo is what you want get a varmit tipped round. I know hornady sells the z-max. And "personall defense" round.

Now for self defense i like the track record of the mil-spec 5.56 XM193, tnoutdoors does a ballistics test on youtube.


BTW try anything at 62gr and above with that twist rate as a start point

Last edited by opie4386; 12-21-2012 at 11:36 PM..
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Old 12-22-2012, 1:08 AM
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Quote:
Originally Posted by Bongos View Post
unfortunately the Sig 556 is only capable of 2 MOA so any ammo will do
Just to clarify... 2 MOA is 2" circle at 100 yards. Its not terrible accuracy, but its not Sub-MOA like some ARs are capable of.

Unless you want to fire Bench or Prone, just get some ammo and have fun.
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Old 12-22-2012, 1:32 AM
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Quote:
Originally Posted by Speedpower View Post
All I can say is good luck finding 223/5.56 ammo!
SIG556 having a 1:7 twist barrel is best with a heavier grain ammo, but for plinking any 55 gr should be good enough, if you want target shooting try 77 gr Blackhills brand.
62gr is very accurate in sig556. I had almost an AR type of groups out to 100 yards with dam wolf chap a$#@ ammo! Also using elcan specter DR out to 385 yards consitent hits in steel plate size of a large pizza. wolf! cheaper than dirt. literally was just a week ago.
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Old 12-22-2012, 7:32 AM
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Quote:
Originally Posted by Tmptch View Post
Bongos please explain how you know, I am very interested in all stories
Check these link out.. I had a few Sig556 and test them for Accuracy.. this was my eval from 2010
Well, that is the problem, you "heard", I on the other hand; I had two and a friend had one for comparison, we took all three out to shoot, the problem is the the pencil 1:7 twist barrel with a AK style, long stroke piston system. We tested with known 1/2 MOA ammo in 52, 55, 62, 69, 75, & 77 grn bullets. As expected from 52 thru 69, were 5"-6" 5rd groups @100 yards, the 69 thru 77 did better.. 2.75"-3". Prior to the release, Sig advertise their Sig556 would avg 1.5", All three guns did about the same, one had a Sanson Rail, one had fishgill, and one had Sig551 handguard. Two of the rifles were early serieal number rifle which were to have better accuracy with Sig551 parts.... I called Sig and they Bluntly said it's within Spec 3"!!! That is tough for a $1700 rifle... The other funny thing is, depending where you hold on to the handguard, effects your groups... Long story short, i dump my two Sig556 and will never buy another Sig Rifle again... My conclusion is the way the rifle is design and the thin barrel, the barrel harmonics are all over the place.

Those same people whom say accuracy is great, just realize they have to live with their investment (since they will never recoup ther initial cost).. so the saying things like great accuracy is just total BS, I've tried all of the reloading data as well as match ammo, all guns were shot on a solid competition rest, and the result was the same... it sucks!!!









http://www.calguns.net/calgunforum/s...d.php?t=352594

http://www.calguns.net/calgunforum/s...89#post4960589
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