SIG SAUER SIG556 - Manual (Page 51)

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4.2 Trigger functions
4.2.1 General
Home position for describing the trigger functions:
• the hammer (3) is held by the sear (4)
• the release bar (2) is depressed by the bolt carrier (1)
• auto sear (5) is not engaged.
4.2.2. Trigger in safe position “S”
The safety lever (6) is set to “S”.
The safety shaft (7) locks the trigger (8).
4.2.3. Semiautomatic fire
The safety lever (6) is set to “F” and the hammer (3) is held by the sear (4).
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12SIG599_SIG556MiniManual1511980Rev02.indd 51 9/12/12 12:40 PM