The Rise Armament 22 ARC Upper Receiver (brand part number RA22ARCCUBRN18) is a complete 18-inch upper assembly built around the newer .22 ARC cartridge, engineered for exceptional accuracy out of a 416R stainless steel threaded barrel finished in brown Cerakote. The 22 ARC round is designed to push small, high-BC bullets at impressive velocity for a flat-shooting, low-recoil AR-15 platform suited to varmint hunting and long-range steel work. This upper drops onto a compatible AR-15 lower to complete the build.

Key Specifications

• Chambered in .22 ARC, a modern high-velocity cartridge built for flat trajectory and low recoil.
• Barrel length measures 18 inches, giving 22 ARC loads the length needed for peak accuracy and velocity.
• Barrel material is 416R stainless steel, known for exceptional accuracy potential.
• Rate of twist is 1:7, matched to stabilize 22 ARC’s higher-BC bullet options.
• Barrel is threaded, ready for a muzzle device or suppressor.
• Finish is brown Cerakote, a durable, low-maintenance coating for a distinct earth-tone look.
• Configuration is listed as Complete, a fully assembled upper ready to mate to a compatible lower.
• Receiver material is aluminum, keeping the complete upper light for offhand and varmint shooting.

Frequently Asked Questions

Is this a complete rifle? No, this is an upper receiver assembly only with no lower receiver included. It ships without an FFL transfer and needs a compatible AR-15 lower to complete a rifle.

What is 22 ARC good for? 22 ARC is built for flat-shooting, low-recoil, high-velocity performance, making it well suited to varmint hunting and long-range steel shooting.

Does this barrel come threaded for a suppressor? Yes, the 18-inch 416R stainless barrel ships threaded and ready for a muzzle device or suppressor.

Buy the Rise Armament 22 ARC 18in Upper, Brown

Order this Rise Armament 22 ARC upper receiver in brown Cerakote from a Lubbock, Texas gun shop for your next flat-shooting varmint or precision build. Browse more complete uppers in our AR15 uppers selection.