(8 ratings)
CMC's drop-in single-stage flat-faced trigger module provides a consistent 3.5 lb pull in a self-contained housing that installs in any mil-spec lower in under two minutes without tools beyond a punch. The flat face of the trigger shoe promotes a consistent finger placement that many shooters find gives them a more perpendicular pull stroke, reducing the tendency for the finger to push the muzzle off target during the firing sequence. All fire control components are contained within an aluminum housing that captures the trigger, hammer, and disconnector as a unit — replacing them with a single push-pin installation. Suited for both competition shooting and general-purpose builds where a clean, light single-stage break is desired.
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A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
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Guide
A neutral explanation of how single-stage and two-stage AR-15 triggers differ in feel, control, and use cases, plus how pull weight and shoe shape affect ergonomics.
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