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  1. Uppers, Lowers, Barrels and Parts
    Curious what size all 4 rails are on the sig 556 quad rail?wondering what pistol grips and other add one to purchase and don’t want any one size fits all and don’t have the gun at my side to measure it right now, however the ability to order whatever I want is there, thanks everyone Oh and I...
  2. 556 Discussions
    Hi all! So I have this rather beautiful SIG551-1sp gun and due to unfortunate events I'm now one gas regulator valve short on the parts. What's even more unfortunate is, that no such parts are sold in my homecountry, Finland. I did some digging and I found out that apparently SIG556 and 551...
  3. Slings, Lights, & Other Accessories
    Does anyone have one of these? It is the coolest I have ever seen I can't seem to find one on the Sig page.
1-3 of 3 Results