A 16″ AR-15 barrel is the standard length for AR-15 rifles, offering an ideal balance of accuracy, velocity, and maneuverability for a variety of uses. It works with AR-15 upper receivers, compatible gas systems (carbine or mid-length), gas blocks, gas tubes, handguards, bolt carrier groups, and lower receivers. This barrel length is suitable for calibers like .223 Remington, 5.56 NATO, and 300 Blackout, making it a popular choice for target shooting, hunting, and home defense builds.
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