Smith & Wesson SW1911
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The SW1911 is a stainless steel framed, single action, semi-automatic pistol based on the M1911, coming in either 9×19mm or.45 ACP.
Smith & Wesson SW1911
Trigger (firearms)
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A trigger is a mechanism that actuates the function of a ranged weapon such as a firearm, airgun, crossbow, or speargun. The word may also be used to describe a switch that initiates the operation of
Trigger mechanism in a bolt action rifle: (A) trigger, (B) sear, (C) striker spring, (D) striker.
Thompson submachine gun 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.