User guide

76
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For Select-Fire rifles only:
c. Cycle the action (for Select-Fire rifles)
d. Safety lever on “3”, pull the trigger and hold it back. • Hammer must drop.
With hammer held back, cycle the action (allow bolt to slide forward slowly). • Hammer must drop immediately as
the bolt locks up.
Repeat the loading cycle. • On the third loading cycle, the hammer must not drop.
Release the trigger.
e. With safety lever on “A”, repeat procedure as under “3”. • Hammer must drop each time. f) 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.
12SIG541_SIG551_A1MiniManual_Rev1.indd 76 2/17/12 2:48 PM