The RA42G001A by Rival Arms is designed to serve as the bedrock of your build. This Slide Completion Kit boasts superior quality components explicitly crafted for precision and reliability. The kit incorporates every component needed to piece together your slide\'s internal mechanism seamlessly. Some of the components are furnished with an elegant PVD coating enhancing their durability. Several parts of this kit are CNC-machined from solid stainless steel billet for optimum resilience. The best part about this kit is it doesn\'t require any professional gunsmithing. The components included in this kit are a striker (firing pin) spring, extractor, striker safety (firing pin) spring and safety, back cover plate, extractor depressor plunger, and RA precision striker (firing pin).The kit also comprises a spacer sleeve for the striker (firing pin), depressor plunger spring, spring-loaded bearing, striker (firing pin) spring cups, and slide channel liner. Each of these items works in sync, ensuring a smooth performance of your firearm.