The Rival Arms RA42P001A Slide Completion Kit serves as a valuable cornerstone to your build project, offering high-grade components engineered for accuracy and consistency. This kit provides you with all essential parts to construct the internal mechanics of your slide with harmonious conduct in mind. Key features include a PVD coating utilized on specific parts for durable performance and solid stainless steel billet, CNC-machined on selected areas for high-level precision.Given the simplicity of its assembly process, no professional gunsmith involvement is necessary. The components included in this kit are: a striker (firing pin) spring, an extractor, a striker (firing pin) safety spring and safety components, a back cover plate, an extractor depressor plunger, a precision striker (firing pin) by RA, a striker (firing pin) spacer sleeve, a depressor plunger spring, a spring-loaded bearing, striker (firing pin) spring cups, and a slide channel liner.