The Tandemkross KrossFire Bolt Ruger Mark IV & 22/45 is a precision-engineered replacement bolt designed to enhance reliability and consistency in your Ruger Mark IV or 22/45 pistol. Built with a robust steel body and visible internal spring assembly, this bolt is crafted to deliver smooth cycling and dependable performance shot after shot.

This dedicated bolt assembly is ideal for shooters who demand repeatable function from their rimfire pistols, whether they are practicing fundamentals, running drills, or enjoying extended range sessions. Its purpose-built design supports consistent operation with a focus on durability and ease of use, making it a smart upgrade for enthusiasts and competitors alike. Tandemkross continues to be recognized for thoughtful engineering and attention to detail in the rimfire accessory space.

Key Features:

• Manufacturer: Tandemkross
• Model: KrossFire Bolt Ruger Mark IV & 22/45