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The Radian Model 1 Builder Kit offers precision and versatility, featuring a billet upper receiver and the AX556 lower receiver with ambidextrous controls. Complements the kit with a Raptor SD Charging Handle designed for smooth operation, whether suppressed or unsuppressed. Kit is gray and chambered in 5.56 NATO.
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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 guide to component strategies for left-handed shooters, left-eye dominant right-handed shooters, and those managing eye/hand dominance mismatches. Covers ambi uppers, charging handles, gas system tuning, and real-world tradeoffs.
6 min read