This guide details a specific gunsmithing fix for a gritty trigger in the FN 509 pistol. The expert-level instruction from Tactical Toolbox focuses on identifying and smoothing the barrel's front lug, a common source of friction. The procedure involves light filing and sanding, followed by lubrication, to significantly improve trigger feel on both stock and aftermarket triggers.
This guide, informed by experts Patrick Sweeney and Rob Leatham, breaks down the nuances of firearm trigger types. It explains how to evaluate triggers on 1911s, DA/SA, and striker-fired platforms, emphasizing that 'good' is situational. Proper technique tailored to each trigger type is crucial for accuracy.
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