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AERO PRECISION Gen II Carbine Complete AR15 Lower Receiver with A2 Grip. This complete lower features a Gen 2 stripped lower receiver, an A2 grip, mil-spec trigger guard, standard lower parts kit, AR15 carbine receiver extension, and AR15 carbine buffer and spring. The parts are installed and this complete lower does not include a stock. Save on your initial purchase and choose any stock you prefer.
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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