The RISE Armament WatchmanXR Complete Upper in .22 ARC is a premium choice for your next AR-15 build. This upper features an 18-inch 416R stainless steel barrel that is fluted, button-rifled, and air-gauged for precision. The barrel also includes an 11-degree target crown for enhanced accuracy and has 1/2x28 threads for adding your favorite muzzle device.The 15.25-inch handguard is free-floating and skeletonized, constructed from aluminum for lightweight strength. It includes a continuous 12 o'clock Picatinny rail, M-LOK slots for accessory attachment, four threaded steel sling swivel QD inserts, and a snag-free front. The handguard's patent-pending attachment lock helps maintain your zero.Features: Chambered in 22 ARC 18" fluted barrel, button-rifled 1/2x28 threads Pinned low profile gas block 15.25" free floating handguard, skeletonized Aluminum handguard with snag-free front Patent-pending lock to maintain zero RISE ambidextrous charging handle Forged aluminum upper receiver For ease of use, the upper comes with a RISE ambidextrous charging handle, ideal for both right- and left-handed shooters. The upper receiver is forged from aluminum, providing a robust foundation for your build.