A 20″ barrel is a long-profile option for AR-15 and AR-10 rifles, designed to maximize velocity, accuracy, and effective range—ideal for precision shooting, long-range applications, and traditional rifle builds. It works with AR-15 or AR-10 upper receivers, rifle-length gas systems, compatible gas blocks, gas tubes, handguards, bolt carrier groups, and lower receivers. The 20″ barrel is suitable for calibers like .223 Remington, 5.56 NATO, .308, and 6.5 Creedmoor, providing reliable cycling and optimal ballistic performance for demanding shooters.
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