US Patent 7165352 Rifle with trigger pull weight adjustment

A trigger pull weight adjustment element for a firearm having a frame and a trigger spring. The adjustment element has a body with a connection element adapted to connect the body to the frame. The body has a number of spring engaging features each adapted to engage a portion of the spring. The spring engaging features are positioned at different locations such that a different spring force is provided based on which spring engaging feature is engaged. The spring engaging features may be angled with respect to a major axis of the firearm, and there may be only a single such feature, which is angled.