Rise Armament 6mm ARC Complete Upper – 18″ 1:7 Twist Barrel, 1/2×28 Threaded, M-LOK Handguard, Patriot Brown Cerakote, AR-15 Compatible

Step up your AR-15’s long-range game with the Rise Armament Complete Upper Receiver chambered in 6mm ARC. Engineered for accuracy and efficiency, this upper features a premium 18” stainless steel barrel with a 1:7 twist, optimized for heavier, high-ballistic-coefficient bullets.

Finished in a rugged Patriot Brown Cerakote, it’s as durable as it is tactical. The lightweight M-LOK free-float handguard ensures maximum accuracy and ample accessory space. Whether you’re precision shooting, hunting predators, or stretching your skills at the range, the 6mm ARC offers match-grade accuracy with reduced recoil — and this upper is built to bring it to life.

⚙️ Key Features:

• Caliber: 6mm ARC (Advanced Rifle Cartridge)

• Barrel Length: 18”

• Barrel Material: 416R Stainless Steel

• Twist Rate: 1:7 – Ideal for 103–108 grain bullets

• Muzzle Thread: 1/2×28 – Suppressor/muzzle brake ready

• Finish: Patriot Brown Cerakote – Corrosion- and wear-resistant

• Handguard: Free-Float M-LOK – Rigid and modular

• Upper Receiver: Forged 7075-T6 Aluminum – Mil-spec compatible

• Gas System: Intermediate or rifle-length (depending on spec, confirm before install)

• Includes: Barrel, gas system, M-LOK handguard, assembled upper

• Excludes: Bolt Carrier Group and Charging Handle

• Made in the USA

From tactical builds to competition-ready rigs, the Rise Armament 6mm ARC upper delivers the reach, speed, and precision modern shooters demand.

FAQ:

Q: What makes the 6mm ARC a good choice?
A: The 6mm ARC offers exceptional ballistic performance at long range with less recoil than .308, making it ideal for precision shooting and varmint hunting.

Q: Is this upper compatible with AR-15 lowers?
A: Yes — it’s built for AR-15 platforms, but will require a 6mm ARC-specific bolt carrier group (typically uses a 6.5 Grendel bolt face).

Q: Is a BCG and charging handle included?
A: No — this upper is sold without BCG and charging handle, allowing for custom configuration.

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