A 20″ AR-15 barrel is a long profile barrel designed for AR-15 rifles, offering maximum velocity, range, and accuracy—ideal for precision shooting and long range applications. It works with AR-15 upper receivers, compatible gas systems (typically rifle length), gas blocks, gas tubes, handguards, bolt carrier groups, and lower receivers. The 20″ barrel is suitable for calibers like .223 Remington and 5.56 NATO, providing reliable cycling and optimal ballistic performance for target shooting, hunting, and competitive builds.
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