Manual

SIG 556 Operators Manual 40 P/N 1511203 VER 12.7.2
10. Lift upper hand guard at the rear and pull away from gas
block;
11. Depress the stop pin and
hold. Rotate the gas valve to
the left and pull forward to
remove;
12. Push the operating rod
assembly forward and
remove from the gas tube;
13. Depress the stop pin and
rotate the gas tube to the left
ninety degrees (90°) until the
gas tube notch faces the barrel;
14. Remove the gas tube from the gas block;
15. Remove the firing pin:
a. Depress the firing pin by pressing the rear of the bolt head
against a flat surface until flush and hold;
SIG556 OM 12.06.qxp 1/8/2007 2:26 PM Page 40