Double crescent trigger

The double-crescent trigger on the MG 34, which enabled select fire capability without using a selector switch. Pressing the upper segment of the trigger produced semi-automatic fire, while holding the lower segment of the trigger produced fully automatic fire.

A Double-crescent trigger, is a Trigger which provides select fire capability without the need for a fire mode selector switch. Pressing the upper segment of the trigger produced semi-automatic fire, while holding the lower segment of the trigger produced fully automatic fire. Though considered innovative at the time, the feature was eliminated on most firearms due to its complexity.

Examples

• MG 34
• Kg m/40 light machine gun
• M1946 Sieg automatic rifle
• Star Model Z-70