Product Description The TANDEMKROSS KROSSFIRE Bolt is a premium drop-in replacement bolt designed specifically for the Ruger Mark IV and 22/45 pistols. Finished in a sleek matte black with a matching black HALO, this fully assembled bolt arrives ready to install, complete with a firing pin, extractor, and guide rod. Engineered for enhanced performance and reliability, the KROSSFIRE Bolt is an ideal upgrade for competitive shooters and enthusiasts seeking consistent, smooth operation from their rimfire pistol. Product Highlights Designed as a direct-fit replacement bolt for the Ruger Mark IV and 22/45 pistol platforms Fully assembled and ready to install -- includes firing pin, extractor, and guide rod Matte black finish with black HALO for a clean, uniform appearance Manufactured by TANDEMKROSS, a trusted name in precision rimfire firearm accessories Engineered to improve reliability and bolt function for competitive and recreational shooting Specs Brand: TANDEMKROSS Manufacturer Part Number (MPN): TK26N0540BWB1 UPC: 769498486542 Compatible Platforms: Ruger Mark IV, Ruger 22/45 Color: Black with Black HALO Included Components: Firing Pin, Extractor, Guide Rod Assembly Status: Fully Assembled Shipping Restriction: No Direct Ship to California Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>