bn:21574332n
Noun Concept
Categories: Firearm actions
EN
trapdoor mechanism
EN
In firearms, a trapdoor is a form of breech-loading mechanism for rifles in which a hinged breechblock rotates up and forward, resembling the movement of a trapdoor. Wikipedia
Definitions
Relations
Sources
EN
In firearms, a trapdoor is a form of breech-loading mechanism for rifles in which a hinged breechblock rotates up and forward, resembling the movement of a trapdoor. Wikipedia
IS A
Wikipedia
Wikidata