SIG SAUER SIG 551-A1 Rifle - Manual (Page 67)

when it counts ™
www.sigsauer.com 67
8. Rotate the bolt head counterclockwise until
the lug clears the cam and pull to remove it
from the bolt carrier;
9. Pull lower hand guard or lower quad rail to the rear and down and remove;
10. Lift upper hand guard at the rear and pull away from gas block;
SteP 8
StePS 9 & 10
12SIG541_SIG551_A1MiniManual_Rev1.indd 67 2/17/12 2:48 PM