TandemKross KrossFire Bolt Features The TandemKross KrossFire Bolt is precisely CNC machined and finished in black DLC a coating that provides corrosion resistance reduces friction and minimizes wear so the firearm runs smoother for longer. The extractor plunger features unique geometry that simplifies disassembly cleaning and maintenance compared to the factory part. An integrated halo Charging Ring gives shooters a larger more ergonomic surface for charging and clearing the pistol which is especially helpful for those with reduced hand strength. Every KrossFire Bolt is assembled with genuine TandemKross components rather than leftover factory parts. This bolt is upgraded with the full suite of TandemKross enhancements including the Sentinel Guide Rod Eagle s Talon Extractor and Fire Starter Titanium Firing Pin all working together to improve reliability and ease of use. Built specifically to fit the Ruger Mark IV 22/45 and Halo pistols it is a direct upgrade for owners looking to improve their pistol s everyday function. The combination of a smoother finish and purpose built components helps reduce malfunctions during extended range sessions. TandemKross designed the KrossFire Bolt for shooters who want a dependable easy to charge rimfire pistol straight out of the box. TANDEMKROSS KrossFire Bolt Specifications Manufacturer: TANDEMKROSS Model: KrossFire Bolt Compatible Hosts: Ruger Mark IV 22/45 Halo Color: Black Material: Aluminum Includes: Firing Pin / Extractor / Guide Rod Weight: 0.43 oz Available At: GrabAGun