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chamber-ring delayed system utilizes › Hesitation-Lock Delayed – The
a simple design feature. Like its name hesitation-lock delayed action does
implies, the action uses a small ring not use a locking chamber design; it is
machined near the opening of the a delayed blowback-style action that
chamber to hold the cartridge case uses a locking design to slow the bolt.
during discharge. The hesitation-lock delayed blowback
design utilizes a combination bolt/
During discharge, when the case
slide and locking block to delay the
swells from the building pressure, it
chamber’s opening. The bolt head
will form to the chamber. The cham-
and slide move independently of each
ber ring will slow the case and impede
other, but are also connected.
rearward movement. Once the bullet
exits the muzzle, the pressure inside During discharge, when the cartridge
the bore drops and the case begins case begins pushing the bolt/slide
to deflate; the case will then begin backward and the chamber begins to
to drive the bolt/slide backward at a open, the bolt’s movement is stopped
higher velocity. On its rearward stroke, by the locking block shoulder. The
the bolt/slide will extract and eject slide will continue rearward, while the
the case and cock the hammer. On its bolt remains stationary, until the slide
forward stroke, the bolt/slide will strip trips the locking block release, which
a round from the magazine and feed allows the bolt to continue rearward
and seat the cartridge in the chamber. with the slide. Momentarily stopping
the bolt’s movement allows the bullet
The chamber-ring delayed action is
to exit the muzzle and the pressure
only found with one model of pistol
inside the bore to drop.
from the L. W. Seecamp Co. The
LWS-32 is a chamber-ring delayed As the slide continues rearward, the
blowback pistol chambered in .32 bolt will strip the empty case from
ACP. There is also a model cham- the chamber and eject it and cock
bered in .380 ACP. the hammer. On its forward travel,
Figure 9: Hesitation-lock delayed action.
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