• Improved Functionality: Designed to enhance bolt performance and ensure smoother operation for Ruger MK series pistols and 22/45.
• Durable Material: Crafted from corrosion-resistant stainless steel for long-lasting use and reliability.
• Precise Fit: Engineered for compatibility with Ruger MKI, MKII, MKIII, MKIV, and 22/45 models.
• Complete Kit: Includes essential components for bolt upgrades to maintain optimal performance.
• User-Friendly Design: Easy installation for seamless replacement and performance enhancement.

Enhance the performance of your Ruger MK series pistols or 22/45 with this Bolt Tune-Up Kit. Manufactured from durable stainless steel, this kit offers reliable corrosion resistance and long-term use. Designed for precise compatibility with Ruger MKI, MKII, MKIII, MKIV, and 22/45 models, it provides smoother operation and consistent performance. This comprehensive kit includes all necessary components for bolt optimization, making it an ideal upgrade for enthusiasts and professionals alike. Easy to install, it ensures an effortless and effective enhancement to your firearm's functionality