Gas piston operating system. Four-position gas regulator. Free-floating military grade Nitride treated barrel. M1913 picatinny flat top upper. 7075-T6 Aircraft grade aluminum upper and lower receiver with hard coat anodize finish. Flip-up iron sights. 1:7 inch twist. All NFA Rules Apply.
| Manufacturer | Sig Sauer
|
| Model | R516G210BCQBSBR
|
| UPC | R516G210BCQBSBR
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| Caliber | 223 Rem
|
| Stock | 0
|
| State restrictions | CA CO CT DC HI IL MA MD NJ NY OR
|
| Availability | Out of stock |