An AR-15 upper receiver assembled with bolt carrier group (BCG) and charging handle is a fully built upper unit, ready for installation onto a lower receiver. It includes the upper receiver, barrel, handguard, gas system, bolt carrier group, and charging handle. This assembly works with AR-15 lower receivers, buffer systems, magazines, and other standard AR-15 parts. It’s ideal for custom builds, caliber conversions, or quick upgrades, offering complete compatibility and reliable performance for hunting, target shooting, or tactical applications.
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