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  1. Non-FFL
    Hey y’all I have a 556 green commando and every single website has the rail kits out of stock. Does anyone have the original factory rail kit from sig? Please! Let me know willing to pay 561-699-6594 Austin seidman
  2. Non-FFL
    My bolt release snapped in half yesterday so I am looking for a replacement. If anyone has an extra one laying around or knows where to find a replacement please let me know. I believe it would be compatible with any Sig 55X rifle. Thanks!
  3. 556 Discussions
    I took my Sig 556 out shooting yesterday and went to use the bolt release and it snapped right off just before the pin holding it. Thinking I could just buy another one I finished my range day and headed home to look for a replacement. As luck would have it I can't for the life of me find one...
  4. Non-FFL
    Selling my SIG556 M4 version here. I know it's non-FFL posts, so just providing the link. Here's a pick for reference. Upgraded mil-spec buffer tube, modified magpul grip and trigger guard and US made classic handguards ( came with fishgill handguards). SIG556 M4 Parts Kit $60 Shipped - SOLD...
  5. 556 Lounge
    Lost the retaining spring that keeps the pin in place. Sent the Upper to Sig last year. They either did not replace the defective pin or they installed another defective pin, because the pin fell out the first time I went to the range. I emailed Sig several times asking them to sell me the...
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