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Colt H-Series buffers are an excellent reliability upgrade shooters can make to their AR-15 carbines. Heavy buffers can reduce felt recoil as well as reduce the cyclic rate on full-auto rifles. Standard carbine buffers contain three steel weights, the H buffer has two steel weights and one made from heavier tungsten.
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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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A neutral overview of AR-15 buffer systems, covering carbine vs. rifle receiver extensions, buffer weights, springs, and how these parts affect cycling and recoil.
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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.
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