This replacement or spare magazine is compatible with your Ruger Mark IV 22/45, Mark IV 22/45 Lite. Made in the USA.Ruger Mark IV 10rd MAGAZINE 22 LR Fits Ruger Mark IV 22/45/Lite E-Nickel SteelSKU: 736676905997$23.00PriceIN STOCKQuantityAdd to CartBuy Now