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gas regulator
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  1. 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...
  2. Non-FFL
    Sig 553 Lower 2014 mfg with all Swiss made parts except stock/stock pin and pistol grip (US Sig grip) (Mag pictured not included). New take off of unfired Sig 553 (made in Switzerland) $1000 http://oi66.tinypic.com/2053xua.jpg http://oi64.tinypic.com/2mdfm9x.jpg Swiss Sig 553 30rd Magazine $75...
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