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CMC AR Trigger Single-Stage Flat Drop In - 91503. Drop-in AR-15/AR-10 trigger with a flat trigger face designed for a clean, single-stage break. Easy installation and does not require a CNC machined housing. Features a crisp break and positive reset.
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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.
12 min read
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.
5 min read