Manual

SIG 556 Operators Manual 15 P/N 1511203 VER 12.7.2
3. When glove access is no longer required, rotate the trigger
guard back into place, depressing the spring loaded pin and
ensure the trigger guard is locked closed.
WARNING: Do not manipulate the trigger guard unless the
rifle’s safety lever is on “S” (SAFE) and confirmed unloaded!
2.1.9. Sights
The SIG 556 rifle features integrated accessory mounting rails on
the upper receiver and hand guards. These rails may be used for
attaching a variety of sighting systems, both optical and fixed.
The accessory rails are compatible with all Picatinny standard
mounting systems. Optional fixed (“iron”) sights are available as
an accessory from SIGARMS.
SIG556 OM 12.06.qxp 1/8/2007 2:25 PM Page 15