Radian Weapons | A-DAC15 | AX556 Builder Kit | 14in Handguard

The Radian Weapons AX556 builder kit (ATF Model A-DAC15) pairs a billet lower and matching upper with a 14-inch handguard finished in Cerakote brown. The kit includes ambidextrous controls and Radian components intended for a high-quality AR-15 style assembly in .223 Rem / 5.56 NATO. It is supplied as a builder set for users assembling a semi-automatic rifle for range use, competition, or precision training.

Product Specifications

• The product type is listed as a Lower/Upper Set.
• The fit is specified as AR-15.
• The model is identified as AX556.
• The ATF model is A-DAC15.
• The ATF manufacturer is listed as RADIAN.
• The ATF type is RECEIVER.
• The caliber is listed as .223 REM/5.56 NATO.
• The action is specified as Semi-Auto.
• The finish is described as Cerakote.
• The color is listed as Brown.
• The kit includes a Radian Talon Safety as an accessory.
• Additional features include a Raptor SD Charging Handle, a Billet Upper Receiver, and a Radian AX556 Lower Receiver.
• The controls are listed as Ambidextrous for hand orientation.
• The package dimensions are 22.0 x 12.8 x 4.9 (length x width x height as listed).
• The UPC is 817093023966.

This builder kit brings Radian’s billet construction and ambidextrous ergonomics to a conventional AR-15 assembly, finished in Cerakote brown for a consistent appearance. The included components — such as the Raptor SD charging handle and Radian Talon safety — are chosen to simplify assembly while maintaining durable operation. Suited for range work and competitive formats, the kit offers a solid foundation for builders who prioritize quality machining and refined controls.