TandemKross KrossFire Bolt Upgrade for Ruger Mark IV, 22/45, and Halo Pistols

Description

The TandemKross KrossFire bolt for the Ruger Mark IV, 22/45, and Halo is a precision-machined drop-in replacement bolt designed to enhance reliability, reduce bolt mass, and improve cycling performance for competitive rimfire shooters. This premium bolt upgrade is a go-to modification for serious rimfire competitors looking to maximize their Ruger Mark platform.