SIG 551 Gas Regulator Valve - 2 Position
This listing is for a factory Swiss SIG 551 2-position gas regulator valve.
The 2 position valves include a normal and "adverse conditions" setting. These are surplus from demil 14.3" Sig 551 Sp-2 Swat rifles, and have gas ports that are 1.4mm and 1.6mm.
Condition: Used - Good to Very Good
Stock Photo
