The #10 Lock-n-load AP Progressive Press Shellplate is a versatile and essential component for avid reloaders designed to accommodate a range of popular cartridges including the 357 SIG 40 S&W and 10 mm Auto. Engineered for precision and durability this shellplate ensures seamless operation in your reloading press optimizing the efficiency and accuracy of your reloading process. Perfect for those who demand reliability and performance it is an ideal choice for both amateur and professional reloaders aiming for consistent results with each round.