SIG SAUER P556 - Manual (Page 46)

P556 Pistol Operators Manual
46
1511582 VER 08.01.08
c. Rotate the bolt head to the left until the notch rests in the cam.
d. Press forward on the firing pin until the bolt head is fully
forward.
8. Install the bolt assembly into the receiver:
a. Hold the receiver muzzle down.
b. Holding the bolt carrier, align the left lug on the bolt head with
the lug channel in the receiver.
c. Ease the bolt assembly forward until the left and right receiver
rails are riding in the rail channels on the bolt carrier.
d. Release the bolt carrier — it should drop freely into the
receiver until the bolt is fully locked.
e. Depress the charging handle catch and insert the charging han-
dle into the slot on the bolt carrier.
f. Release the charging handle catch. Tug on the charging
handle to ensure it is secured by the charging handle catch.
g. Verify correct installation by pulling the bolt to the rear — it
should be connected to the operating rod and move under the
tension of the recoil spring.
9. Connect trigger casing assembly to receiver assembly:
a. Mate the receiver and trigger casing together at the front
takedown pin, ensuring the pivot pin holes overlap.
b. Install the pivot pin from the right side and secure the pivot
pin screw.
c. Rotate the trigger casing until the rear takedown pin holes in