The RA42G004A from Rival Arms is an excellent slide that serves as the cornerstone of your construction. The Slide Completion Kit from Rival Arms comes with high-quality elements engineered to ensure both precision and consistency. This kit has everything you need to assemble your slide\'s internals, all in harmonious operations. Key features include a PVD coating on particular parts, as well as CNC-machining from a solid stainless steel billet for some components. The best part is, no gunsmith is required for the assembly. Items in the kit encompass: striker (or firing pin) spring, an extractor, a striker (or firing pin) safety spring and safety, a back cover plate, an extractor depressor plunger, a Rival Arms precision striker (or firing pin), a striker (or firing pin) spacer sleeve, a depressor plunger spring, spring-loaded bearing, striker (or firing pin) spring cups, and a slide channel liner.