Radian Weapons Complete Upper, 6MM ARC, 18″ Barrel, 17″ M-LOK Handguard, Cerakote Finish, Gray

Product Description

The Radian Weapons 6MM ARC complete upper receiver is a precision-engineered conversion solution for shooters seeking extended range and caliber flexibility. This complete upper features an 18″ barrel designed for optimal velocity and accuracy in the efficient 6MM ARC cartridge. Additionally, it includes a 17″ M-LOK handguard that delivers modularity for mounting optics, lights, and tactical accessories.

Furthermore, the Radian Weapons complete upper comes equipped with a Dead Air KeyMo muzzle brake for recoil management and sound signature control. The rifle-length gas system ensures reliable cycling and consistent performance across various ammunition types. Moreover, the enhanced bolt carrier group provides durability and smooth operation during extended shooting sessions.

Premium Features & Build Quality

This 6MM ARC upper incorporates the Radian Raptor-SD charging handle, known for ergonomic design and reliable performance. The gray Cerakote finish delivers durability against corrosion and wear. Therefore, shooters benefit from a complete upper that balances performance with long-term reliability in field conditions.

Ideal for Caliber Conversion & Training

The Radian Weapons complete upper is perfect for AR-15 shooters transitioning to 6MM ARC caliber conversion. Additionally, it serves as an excellent training platform, offering reduced recoil compared to larger cartridges. Also, the multi-platform versatility means you can swap this upper onto any standard AR-15 lower receiver.

Available at Western Sport – Roanoke, TX

Western Sport is a licensed FFL/SOT dealer serving North Texas and the DFW area since 2007. We maintain competitive pricing and expert inventory on premium rifle components like the Radian Weapons complete upper. Call us at 817-393-4000 to confirm availability or schedule a transfer.

Why Buy from Western Sport?

• Licensed FFL/SOT dealer with 17 years of North Texas firearm expertise and trusted service.
• Competitive pricing on premium brands like Radian Weapons and fast, professional transfers.
• Knowledgeable staff available to answer questions about caliber conversion and upper compatibility.
• Local Roanoke location in DFW makes pickup and consultation convenient for area shooters.
• Ongoing after-sale support and guidance on maintenance and upgrade options.

Frequently Asked Questions

Q: Will this 6MM ARC upper fit my AR-15 lower receiver?

A: Yes, the Radian Weapons complete upper uses standard AR-15 upper receiver dimensions and will fit any mil-spec AR-15 lower. Simply remove your existing upper and install this one—no gunsmithing required.

Q: What is the advantage of 6MM ARC for training compared to 5.56?

A: The 6MM ARC offers reduced recoil and excellent ballistics at extended ranges, making it ideal for precision training and caliber conversion shooters. It provides a softer shooting platform while maintaining effective downrange performance.

Q: How do I transfer this upper as a licensed FFL in North Texas?

A: As a complete upper receiver, this Radian Weapons upper does not require an FFL transfer in Texas—it ships directly to you. Contact Western Sport at 817-393-4000 if you have specific questions about your situation.

Q: Does this 18″ barrel come with a warranty from Radian Weapons?

A: Radian Weapons backs all components with their standard manufacturer warranty. We recommend contacting Western Sport at 817-393-4000 to discuss the specific warranty terms and any coverage details.

Additional information