The Tandemkross Krossfire Bolt is a precision-engineered replacement component designed specifically for Ruger Mark IV and 22/45 pistols. This high-quality bolt offers enhanced performance and reliability for your firearm.Tandemkross Krossfire Bolt (SKU: TK26N0540BWB1)Compatible with Ruger Mark IV and 22/45 pistol modelsCompact dimensions: 2.40 x 2.45 x 8.85 inchesPrecision machined for optimal fit and functionNote: No direct shipping available to CaliforniaIdeal for shooters looking to upgrade or replace their bolt assembly with a premium aftermarket component designed for enhanced performance and durability.