Page 54 - FAT 105 4.17 MOODLE
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Figure 24: Falling-block cycle of operations.


               FALLING-BLOCK ACTION                             •   The lever is manipulated back and up,
                                                                   pushing the breechblock upward and
               The falling-block action is so named because        locking the chamber.
               of the fact that the breechblock will “rise and
               fall,” opening and closing the action.  When     •   The hammer is set to the cocked
               the action is manipulated through an external       position.
               lever, the breechblock will move up and down
                                                                •   The trigger is pressed, releasing the
               within vertical grooves in the receiver. The fall-
                                                                   hammer and discharging the cartridge.
               ing-block action is used with pistols, rifles, and
               shotguns and its system is a manual action that   •   The lever is manipulated once again,
               must be manipulated by the operator in order        unlocking and opening the chamber.
               to complete the cycle of operations.  With an
               empty and locked action, the cycle of operations   •   The empty cartridge case is extracted
               for a falling-block firearm is as follows:          from the chamber and removed from the
                                                                   breech by hand.
               •   A lever is manipulated down and for-
                   ward while linkage pulls the breechblock     •   The action is now open, the chamber is
                   down. The chamber is now unlocked and           exposed, and the firearm is ready to be
                   exposed.                                        loaded once again.

               •   A cartridge is fed by hand and fully         The falling-block action is touted as being
                   seated.                                      one of the strongest firearms actions available.
                                                                The action is so strong that it is employed by




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