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Trigger Mechanicals

A light trigger pull is, more than anything else, a crutch for bad trigger technique. It is also “plaintiff’s counsel’s guaranteed employment act” in the civil liability sense. On a defense gun, you don’t need a light trigger pull, you need a smooth trigger pull.

The surface of the trigger should be glassy smooth, with rounded edges. Grooves, serrations, or checkering on the trigger will trap the flesh of the finger and translate any lateral finger movement to undesirable lateral gun movement. As the finger moves back, it may change its exact contact point with the trigger very slightly, and if that happens, we want the finger to be moving smoothly and easily across the frontal surface of the trigger. On revolver triggers in particular, it’s also a good idea to round off the rear edges of the trigger, to keep the flesh of the finger from being pinched between the trigger and the back of the trigger guard at the end of each firing stroke.

Note S&W’s internally adjustable trigger stop, coming down into trigger guard at a point behind the trigger. Because there is a remote chance it can come out of adjustment and block the trigger…