Radian Weapons R0903 Model 1 Complete Upper 6mm ARC with 18in steel barrel and M-LOK handguard in black finish.
The Radian Weapons Model 1 Complete Upper is a factory-assembled AR-15 upper built for compatibility with the 6mm ARC chambering. It pairs an 18-inch steel barrel with an M-LOK handguard and is offered in a black finish. The upper is designed for users who need a complete, drop-in upper for precision-oriented applications.
Product Specifications
The manufacturer is listed as Radian Weapons.
The model is identified as the Model 1 (R0903) complete upper.
The caliber/gauge is specified as 6mm ARC.
The barrel length is listed as 18 inches.
The barrel material is specified as steel.
The barrel twist rate is listed as 1:7.
The handguard interface is M-LOK.
The upper is configured to fit an AR-15 platform.
The product type is listed as a Complete Upper Receiver.
The color is listed as black.
The product description notes assembly and inspection by a trained gunsmith as part of its manufacturing process (assembled by hand).
The listing indicates a lifetime guarantee for the product (guaranteed for life).
The UPC is 810098420952.
This complete upper supplies a ready-made option for precision target work and hunting applications where the 6mm ARC cartridge is preferred. It combines an 18-inch steel barrel with a modular M-LOK handguard to offer a balance of stability and accessory flexibility for a variety of shooting setups.
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