The MEC 600 Jr. Mark 5 Single Stage Shotshell Reloading Press is designed for precision reloading of 12 gauge shells, accommodating both 2-3/4" and 3" cartridges. Known as the world’s #1 shotshell reloader, it offers simple, efficient operation with minimal effort, ideal for beginners and experts alike. Durable and reliable, it can load four to six boxes per hour and is compatible with various die sets for multiple gauges. This press can also be upgraded with an auto primer feed for faster loading, making it a versatile choice for shotshell reloaders.