safety catch
Noun
Meaning
guard consisting of a locking device that prevents a weapon from being fired
Source: WordNetSynonyms
safety
safety lock
bolt
bar
catch
lock
fuse
protector
safeguard
deadlock
latch
cut-out
pawl
arrester
padlock
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Antonyms
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Examples
Double action is good for high-stress situations because it allows a mode of carry in which "draw and pull the trigger" is the only requirement—no safety catch release nor separate cocking stroke is required.
Was originally issued without a safety catch; instead, a half-cock notch on the cocking piece/firing pin assembly served this purpose.
The lever and the safety catch can also be clearly seen.