The complete A2 rear sight kit is a comprehensive assembly package designed for integration with an A2 upper receiver. This kit includes all necessary components for the assembly of a fully functional A2 rear sight, ensuring precise alignment and accuracy. The kit requires user assembly, providing an opportunity for customization and adjustment to meet specific operational requirements. Engineered for compatibility with standard A2 upper receivers, this kit facilitates seamless installation and reliable performance. Each component is manufactured to exacting standards, ensuring durability and consistent operation under various conditions.