This Ruger AR Lower Parts Kit includes essential components such as an Ambi Safety Selector Switch, Elite 452 Trigger, and Magpul MOE K2 Grip. The kit features a two-stage hammer assembly, disconnector, magazine catch, and various pins and springs necessary for assembly.Key FeaturesIncluded Components: The kit contains a complete set of parts for AR-15 lower assembly, including a trigger guard assembly and grip screw.Elite 452 Trigger: Features a two-stage design for improved precision and control.Magpul MOE-K2 Grip: Ergonomically designed for better handling and comfort during use.These components are built to Ruger's standard of rugged reliability and are intended for use in AR-15 pattern firearms. Installation by a qualified gunsmith is recommended to ensure maximum safety and performance.