SIG SAUER P556 - Manual (Page 42)

P556 Pistol Operators Manual
42
1511582 VER 08.01.08
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 bar-
rel;
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;