Sig Sauer SIG556 opinions?

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Oct 20, 2004
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Between my dad and me, we have a lot of AR-15. They are great rifles and I like the fact that there are so many companies making parts and they are interchangable for the most part. But I'm looking for something different. While browsing the last few gun shows the SIG556 is what caught my attention the most. In particular, the SWAT model with folding/ collapsible stock and aluminum fore grip with 4 rails. It's not free floating but it is attached with the piston assembly which I imagine stiffens things up. They also use AR mags which is nice.Anyways, just wondering if anyone has experience with them or at least an opinion on the design. Thanks!
 
My experience has also been very favorable. The gun extreme reliability reliability and acceptable accuracy. The grip reach can be a bit much but aftermarket grips are available to help if this is an issue.
 
They few I have handled had really bad grips. Can you hold one with one hand with a finger on the trigger? I couldn't - it would just roll out of my hand every time. The owner of that rifle eventually dremel'ed an AR-15 grip onto it.

Piston rifles in general seem to be a tad nose heavy with all the parts so far out front.

If you really want something different, an FN FAL is hard to beat. Then there is the SCAR series and the LMT MWS as well. Or, grab a new upper or two for your existing AR-15's. The 5.45x39 allows some fun and cheap shooting. The 300 AAC Blackout is a pretty neat cartridge too. You could always go with something a little different then most like a 458 Socom or 50 Beowulf. ;)
 
For whatever reason either aesthetics or feel i never really liked the Sig rifles. Another option i went for was a Robinson XCR or you can take a look at the RRA PPS Carbine.
 
Mine is a nice rifle, but I cannot actuate the safety lever as a left handed shooter. So, I'm going to offload it.
 
What i've heard about Sig rifles is that if you want spare parts for your AR, like the internal, they're always sold out and when you want your rifle repaired, you have to sed it in to them vs them sending you the parts and doing the repair yourself.
 
For those that have one, does it damage the brass? I have read that one crimps the neck and puts a dent in the side. It seems like I remember another one at the range doing the same thing. Just wondering if something in the design causes that or if it was just a fluke?
 
For those that have one, does it damage the brass? I have read that one crimps the neck and puts a dent in the side.

It does dent the brass as you describe but it isn't "damaged". My gun throws the brass a long way, forward and right. Marketing folks would call it "positive ejection".
 
I love mine... accuracy of an AR with the tough to stop reliability of an AK in my opinion. I also shoot mine lefty. No problems with brass that I've noted (other than the long walk to pick it up.... "positive ejection" indeed! :) ).
 
Anything I have ever had from Sig has been accurate, totally reliable and well made. Started with a West German P220 and have been on the bandwagon since. Can't go wrong IMO.
 
Sig Sauer of the past, is just that. The SIG of old, was sold. I do like my classic SIG pistols but, the newer stuff has left me unimpressed.
 
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