Rise Armament RA22ARC 18″ Upper .22 ARC

The Rise Armament RA22ARC complete upper is a factory-built AR-15 upper chambered for .22 ARC intended for precision-oriented builds and field use. It ships as a complete upper assembly and features an 18-inch threaded barrel constructed of 416R stainless steel with a 1:7 twist to stabilize appropriate projectiles. The upper pairs a fluted barrel contour with an M-LOK compatible fore-end and an overall Cerakote finish as listed in vendor data. Multiple source strings for model/name and finish/color were provided; see notes for items flagged for review.

Key Specifications

• Chambering is .22 ARC.
• The barrel measures 18 inches.
• The barrel material is listed as 416R stainless steel.
• The rifling twist rate is 1:7.
• The barrel contour is fluted.
• The barrel is described as threaded.
• Handguard compatibility is M-LOK.
• The upper is supplied as a complete AR-15 upper receiver.
• The overall finish is listed as Cerakote.

Well-suited for precision shooting applications and builds that benefit from a longer, stainless barrel, this complete upper brings a stabilized .22 ARC option to AR-15 platforms. Its fluted stainless barrel and 1:7 twist are specified to support consistent performance, while the M-LOK interface and complete-receiver configuration simplify integration into an existing rifle. For shooters seeking a durable, ready-to-install upper in .22 ARC, this Rise Armament assembly provides the core features expected of a high-quality complete upper.