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Posted: 4/9/2015 10:27:10 AM EDT
My brother and I both have one, and we've both shot it suppressed. However, the bolt seems to be slamming back to the end of the ejection port, and dinging it up. Kinda concerned. My brother said he can modify an FN FAL buffer to fit, but I was just checking if anyone knew of a 556 specific buffer. Or somewhere where I can get a replacement gas valve with a suppressor setting. Thanks!
Link Posted: 4/9/2015 12:06:35 PM EDT
[#1]
http://www.ar15.com/forums/t_6_45/439546_Sig_556_Improved_Gas_Valves.html
Link Posted: 4/9/2015 3:52:00 PM EDT
[#2]
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Quoted:
http://www.ar15.com/forums/t_6_45/439546_Sig_556_Improved_Gas_Valves.html
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This. He's very helpful and nice.

ETA: my 556R is also VERY rough when shooting suppressed.
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