A receiver for a firearm and a method of disposing the receiver to prevent automatic reloading and/or trigger reset of a firearm are disclosed. A blocking mechanism is moveable between an upward and a downward position and the blocking mechanism is in the downward position when the firearm is in battery. The blocking mechanism automatically moves to the upward position after a round is fired and the blocking mechanism prevents automatic reloading and/or trigger reset of the firearm when in the upward position.
展开▼