AR-15 Upper Receiver Assembly Kit (Matte Rainbow PVD Coated)

Description

This AR-15 Upper Receiver Assembly Kit provides a complete, US Made solution for builders requiring a functional upper group. The Assembly Kit finished in Matte Rainbow PVD Coated finish, offering a durable, iridescent surface that resists corrosion and wear. Designed specifically for use with billet uppers, this kit addresses the specific requirements of modern AR-15 builds by including the necessary components for a fully operational receiver.

The core of the Assembly Kit the 5.56 Trap Door Assembly, which ensures reliable cartridge feeding and ejection. This component is critical for maintaining function with standard 5.56 ammunition. Integrated into the system is a Forward Assist Assembly, allowing the operator to manually seat the bolt carrier group if it fails to close fully due to debris or resistance. This feature is particularly valuable in adverse conditions or when using non-standard ammunition.

Completing the upper is a 5.56 Charging Handle, engineered for smooth operation and reliable engagement with the bolt carrier. The handle’s design facilitates easy manipulation during charging and takedown procedures. The kit is supplied as a Solid pattern assembly, ensuring consistent fitment and function across compatible platforms. By bundling these essential components, the kit reduces the need for individual sourcing and ensures that all parts are matched for performance and finish.

Key specifications include the Matte Rainbow PVD Coated finish applied to the visible components, the 5.56 caliber designation for the trap door and charging handle, and the US Made origin of the assembly. The kit is intended for builders who require a reliable, pre-assembled upper group that integrates seamlessly with billet Upper Receiver. The Solid pattern ensures structural integrity and proper alignment of internal components.