Manual

SIG 556 Operators Manual 46 P/N 1511203 VER 12.7.2
and release – the hammer must not release;
8. Release the trigger and pull the trigger again – the trigger is
not blocked and the hammer must release (fall);
9. Cycle the trigger several times to verify tension and movement
of the pressure point spring;
WARNING: Visually and physically verify the magazine is
empty before performing the next step.
10. Insert an empty magazine and ensure it is firmly seated;
11. Pull the bolt fully to the rear and release – the bolt must
remain locked open;
12. Depress the bolt catch – the bolt must fully close;
13. Pull the trigger; and
14. Place the safety lever in the “S” (SAFE) position.
MAGAZINE INSPECTION AND CARE
Inspect the magazine frequently. The magazine follower must
move freely and have adequate spring tension so that each car-
tridge is quickly raised to the feeding position. The magazine lips
should be clean and free of cracks, dents, or nicks, so that car-
tridges are held in their proper feeding position.
When cleaning is necessary, use a solvent that will not rust the
metal components or adversely affect the magazine follower.
After the magazine has been soaked in solvent to loosen foreign
matter, be certain to shake it vigorously (with the loading opening
away from you) to remove solvent or residue from within the
magazine. Penetrating oils and solvent inside a magazine can
“kill” or weaken cartridge primers, which can result in
SIG556 OM 12.06.qxp 1/8/2007 2:26 PM Page 46