A 16″ 5.56 barrel is a standard AR-15 barrel length designed for 5.56 NATO ammunition, offering an ideal mix of accuracy, velocity, and maneuverability. It works with AR-15 upper receivers, compatible gas systems (carbine or mid-length), gas blocks, gas tubes, hand guards, bolt carrier groups, and lower receivers. This barrel length is popular for versatile AR-15 builds used in target shooting, hunting, and home defense, ensuring reliable cycling and strong performance.
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