SIG SAUER SIG556 - Manual (Page 46)

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4.1.2 Discharging the shot
By pressing the trigger (11) the hammer (7) is released. The hammer is under pressure of the hammer spring (12) and
strikes the firing pin (10) which, in turn, impacts against the cartridge primer of the cartridge (P) thus discharging the
shot.
illUS. 57) DiSCHarging tHe SHot
12SIG599_SIG556MiniManual1511980Rev02.indd 46 9/12/12 12:40 PM