SIG SAUER SIG556xi - Manual (Page 52)

52 www.sigsauer.com
a. Push out pivot pin.
b. Slide handguard off toward
muzzle of barrel.
c. remove the upper rail section.
note: The flip up front sight (if installed)
will have to be removed to left off the
upper rail section.
STeP 9C RemOVAl OF THe lOWeR HANDGuARD SeCTiON
10. lift upper handguard at the rear and
pull away from gas block;
STeP 10 RemOVAl OF uPPeR RAil SeCTiON