Enhance your AR builds and repairs with the CMMG 55BA556 Forward Assist Kit, a complete assembly designed for seamless functionality. This kit includes all essential components such as the forward assist assembly, spring, and installation pin, ensuring a straightforward installation process and reliable performance in every application. For Builds or Repairs Forward Assist Component for Improved Functionality Includes Spring and Installation Pin for Easy Setup Optimize your firearm's operation with this essential forward assist kit.