A 5.56 barrel is a rifle barrel designed for AR-15 platforms, chambered in 5.56 NATO. It offers reliable accuracy and velocity for a wide range of shooting applications, including target shooting, hunting, and tactical use. The 5.56 barrel works with AR-15 upper receivers, compatible gas systems (carbine, mid, or rifle-length), gas blocks, gas tubes, handguards, bolt carrier groups, and lower receivers. It is a core component for AR-15 builds focused on performance and versatility.
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