Trapdoor mechanism
Method of reloading and firing a single-shot rifle
Method of reloading and firing a single-shot rifle
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. The Springfield models 1865 and 1873 were best known for first employing this type of action.
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