MEC is known for making high-quality, long-lasting shotshell presses that work great for beginning shotshell reloaders to the most advanced high-volume shotshell reloader. The Short Kit is used to modify MEC presses so a shorter shell can be reloaded.
Specifications and Features:
Fits: MEC 12 Gauge 600 Jr, 600 Jr Mark V, Sizemaster and Steelmaster presses
Use: Convert 3.5" loaders to load 3" shells