A 16″ barrel is the standard length for AR-15 rifles, providing a balanced mix of accuracy, velocity, and maneuverability for multiple shooting applications. 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 ideal for target shooting, hunting, home defense, and versatile AR-15 builds.
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