• Radian Model 1 Complete Upper Receiver 18" 6mm ARC M-LOK FDE Cerakote
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Radian Weapons

Radian Model 1 Complete Upper Receiver 18" 6mm ARC M-LOK FDE Cerakote

Radian Model 1 Complete Upper Receiver 18" 6mm ARC M-LOK FDE Cerakote

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The Radian Model 1 Complete Upper Receiver is a hand-assembled, individually inspected upper built around an 18-inch barrel chambered in 6mm ARC with a 1:7 twist rate optimized for the cartridge. Its billet machined 7075-T6 aluminum receiver includes M4 feed ramps, and the proprietary extended aluminum handguard carries the Magpul M-LOK modular mounting system for accessories.

An Enhanced Black Nitride M16 bolt carrier group and a Radian Raptor-SD suppressor-optimized ambidextrous charging handle come installed, and the 5/8x24 muzzle thread accepts standard muzzle devices. The FDE Cerakote finish adds durability and corrosion resistance, and the upper is compatible with AR-15 platform lowers.

Key Features

Brand Radian Weapons
Model Model 1
Type Upper
Caliber 6mm ARC
Barrel Length 18"
Twist Rate 1:7
Muzzle Thread Pitch 5/8x24
Finish Cerakote
Color FDE
Receiver Material Billet Machined 7075-T6 Aluminum
Handguard Proprietary Extended Aluminum with Magpul M-LOK
Bolt Carrier Group Enhanced Black Nitride M16
Charging Handle Radian Raptor-SD Ambidextrous
Platform Compatibility AR-15
Condition New
UPC 810098420945

Highlights

  • 18" barrel chambered in 6mm ARC with 1:7 twist
  • Billet machined 7075-T6 aluminum upper receiver with M4 feed ramps
  • Sub-MOA accuracy guarantee with Black Hills Match Grade ammunition
  • Proprietary extended aluminum handguard with Magpul M-LOK
  • Enhanced Black Nitride M16 bolt carrier group
  • Radian Raptor-SD ambidextrous charging handle
  • FDE Cerakote finish
  • Lifetime guarantee from Radian

Compatibility

Compatible with AR-15 platform lowers. The 5/8x24 muzzle thread accepts standard muzzle devices, and the M-LOK handguard supports Magpul M-LOK accessories.

Frequently asked questions

What is the barrel twist rate and muzzle thread pitch?

The barrel has a 1:7 twist rate optimized for 6mm ARC and a 5/8x24 thread pitch for muzzle devices.

What bolt carrier group and charging handle are included?

It comes with an Enhanced Black Nitride M16 bolt carrier group and a Radian Raptor-SD suppressor-optimized ambidextrous charging handle.

What is the accuracy guarantee?

Radian backs the upper with a Sub-MOA accuracy guarantee when using Black Hills Match Grade ammunition.

What is the return policy?

Returns are accepted within 7 days with free return shipping; a 20% restocking fee of the original purchase price applies.

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