SIG 551 Gas Regulator Valve - 2 Position
This listing is for a factory Swiss SIG 551 2-position gas regulator valve.
The 2 positions include a normal setting and "adverse conditions" setting. These parts can be used for both a SIG 551, SIG 556, and SIG 551-A1 with full length gas systems.
Condition: Used - Like New
Stock Photo
