Rise Armament RISE CMPLT Upper Receiver for 6mm ARC with 18-Inch Threaded Barrel in Patriot Brown

Rise Armament Complete Upper, 6MM ARC, 18 Stainless Steel Barrel, 1:7 Twist, 1/2x28 Threaded, Rifle Length Gas System, 15.25 Free Float M-LOK Handguard, Black Nitride Bolt Carrier Group, Ambidextrous Charging Handle, Cerakote Finish, Patriot Brown RA-6ARC-CU-BRN-18 The Rise Armament RISE CMPLT Upper Receiver is engineered for precision and durability in your AR-15 build. Featuring an 18-inch 416R stainless steel barrel, this upper offers exceptional accuracy and reliable performance. The barrel is threaded for easy attachment of muzzle devices and is chambered in 6mm ARC, a caliber known for its flat trajectory and excellent long-range capabilities. Crafted with a 1:7 twist rate, it ensures optimal stabilization of various projectile weights, making it suitable for precision shooting applications. The Patriot Brown finish provides a sleek, tactical appearance and corrosion resistance, ideal for custom builds or upgrading your existing rifle. Designed by Rise Armament, this complete upper receiver combines quality materials and precise engineering to deliver consistent, high-level performance for competitive shooting or hunting scenarios. Features: * Barrel: 18-inch 416R stainless steel with threaded end for versatile muzzle device attachment * Caliber: 6mm ARC for enhanced long-range accuracy and flat trajectory * Twist Rate: 1:7 for stable projectile performance across various loads * Finish: Patriot Brown coating offers corrosion resistance and a tactical appearance * Compatibility: Designed for AR-15 platform for straightforward installation and reliable operation