A 16″ barrel length is the standard for AR-15 rifles, offering an ideal balance of accuracy, velocity, and maneuverability for a wide range of shooting applications. This barrel length typically works with mid-length or carbine gas systems, compatible gas blocks, gas tubes, upper receivers, and handguards. It’s suitable for calibers like 5.56 NATO, .223, 300 Blackout, and .308, providing reliable cycling and effective performance for both tactical and recreational AR-platform builds.
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