The Radian Weapons Model 1 receiver set (brand part no. R0411) is a matched upper and lower receiver set built for multi-caliber AR-pattern rifle or pistol builds, giving custom gun builders a complete starting foundation from Radian Weapons rather than sourcing upper and lower receivers separately. Finished in black and rated as a multi-caliber platform, this set is designed to accept a wide range of barrels, bolt carrier groups, and furniture depending on the build a shooter has in mind.

Key Specifications

• Rated for multi-caliber compatibility across common AR platform chamberings.
• Includes a matched receiver set, upper and lower sold together.
• Finished in black for a clean, tactical appearance.
• Runs a semi-automatic AR-pattern fire control layout.
• Weighs approximately 5.75 pounds as shipped.
• Packaged in a compact 5.0-by-12.5-inch retail box footprint.
• Ships in a compact 5.0-by-12.5-inch retail package.
• Model designation AX556 identifies this receiver set within the Radian lineup.
• Classified as an accessory receiver set, not a complete firearm.

Frequently Asked Questions

Does this kit include a barrel or bolt carrier group? No, this is a receiver set only, sold without a barrel, bolt carrier group, or trigger.

Is this set caliber specific? No, it is rated multi-caliber, giving builders flexibility in choosing a barrel and bolt to match their preferred chambering.

Does the set include both upper and lower receivers? Yes, it ships as a matched pair rather than a single component.

Buy the Radian Weapons Model 1 Receiver Set

Start a custom AR-pattern build with the Radian Weapons Model 1 (Radian Weapons), a matched receiver set ready for your choice of barrel and furniture. Browse more AR parts and order yours from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.