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Figure 19: A Walther-style falling locking block/inline action.
cross-section that fits around a col- The remainder of the cycling pro-
lar on the barrel. There is a kidney- cess for both types is the same. As
shaped track in the bottom of the Y the slide continues rearward, it will
block similar to the lug-type tilting extract and eject the empty case and
barrel action that rides on a pin in the cock the hammer/striker. On its for-
same manner. The block also has lugs ward stroke, the slide will strip a fresh
that correspond to lugs on the slide. round from the magazine and feed
and seat it into the chamber.
The barrel and slide will move
backward together a very short As the slide continues forward on the
distance. The Y block will drop Walther action, the slide will contact
downward as the track in the bottom the barrel, driving the barrel forward.
of the block is guided by the pin in The locking block will be driven up-
the frame. The barrel will be stopped ward and wedge itself between the
by the locking block while the slide barrel and frame, locking the chamber.
continues rearward. With the Bergmann action, the slide
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