The Lee Pro 1000 Shell Plate #11 is specifically designed for .30 M1 Carbine reloading with durable aluminum construction and auto breech lock functionality.Lee Pro 1000 Shell Plate #11 for .30 M1 CarbineAluminum shell plate carrier constructionIncludes case ejector auto index and auto prime componentsAuto breech lock design for easy caliber changesComplete kit with spare parts includedCompatible with Lee Pro 1000 progressive pressEssential for reloaders who want to efficiently change calibers on their Pro 1000 press this high-quality shell plate system ensures accurate performance and reliable operation for .30 M1 Carbine ammunition reloading.