Rise Armament RA22ARC Complete Upper .22 ARC 18″

The Rise Armament RA22ARC complete upper is built around an 18-inch 416R stainless steel, threaded barrel and is chambered in .22 ARC. With a 1:7 rate of twist and a fluted contour, it is configured for precise, AR-15-pattern applications. The design includes M-LOK compatibility and a Cerakote finish in Patriot Brown.

Key Specifications

• The caliber is .22 ARC.
• The barrel measures 18 inches.
• The barrel is made from 416R stainless steel.
• The twist rate is 1:7.
• The barrel is threaded.
• The upper ships as a complete upper receiver.
• The finish is Cerakote.
• The color is listed as Patriot Brown.
• The contour is Fluted.
• The handguard / interface is M-LOK.

This complete upper blends a long, accuracy-oriented barrel and AR-15 compatibility to support precision-focused shooting and related field use. Its threaded 18" 416R stainless barrel, matched with a 1:7 twist, provides a stable platform for .22 ARC performance, while the Cerakote finish and fluted contour balance protection and weight savings. The RA22ARC is a straightforward replacement or upgrade option for users seeking a purpose-built .22 ARC upper in a ready-to-install configuration.