It is also know as the SIG SG 550-1 and SIG SG 550 Sniper. These rifles are mostly used with a heavy duty bipod (replacing the integral lightweight bipod of the 550). Pt 90 chambering), and often seen with a high-power opticĪirsoft, seen in the Kevin Yoshino's shopĪ modified 550 with a longer heavy barrel, match trigger group and adjustable sniper buttstock & pistol grip. Fire Modes: Safe/Semi-Auto/Burst/Full-Autoīased on the earlier 550-1 (with Gw.SIG SG 550 (5.56x45mm) with SIG GL 5040 (40mm) Specifications
