.~ Firing device operation or control (e.g., full automatic) {12}
149
.~.~ With automatic sear or sear release
DEFINITION
Classification: 89/149
(under subclass 132) Guns having means automatically operable by motion of breech block or barrel into firing position to release either the trigger operated sear or a separate sear, to effect firing.
(1) Note. The separate sear is sometimes termed a "safety sear", or "automatic sear".
SEE OR SEARCH THIS CLASS, SUBCLASS:
150, for automatic safety devices to prevent premature operation of the sear or trigger.
151+, for devices other than sears to automatically effect firing.