The TacSol Pac-Lite 4.5" Barrel is the perfect upgrade for your Ruger Mark I, Mark II, Mark III, and 22/45 series pistols. This barrel is designed for easy installation on your existing MK frame, allowing you to enhance the performance of your firearm without the need for professional gunsmithing. Made from a single piece of durable aircraft aluminum, the Pac-Lite barrel is both lightweight and robust, contributing to improved accuracy and handling. With features like a threaded barrel for suppressor attachment and the option for customization with Pac-Lite scope bases, this barrel elevates your shooting experience to the next level. Intended Use: Ideal for enhancing target shooting and competitive performance. Key Benefits: Lightweight design improves handling and accuracy. Key Features: - Threaded barrel for suppressor compatibility - Drilled and tapped for Pac-Lite scope bases - Crafted from solid aircraft aluminum - Compatible with Ruger MK and 22/45 series pistols Summary: Upgrade your Ruger pistol with the TacSol Pac-Lite 4.5" Barrel, designed for precision and customization, making it an excellent choice for avid shooters and competitors alike.