MEC has redesigned the 600 Jr., our most popular model and the world's top selling shotshell reloader, to include popular features found on our more expensive models.Novice and seasoned gunners will appreciate these new features along with the time-tested excellence this single-stage reloader has provided over the years with quick, simple operation and a minimum of effort.The MEC 600 Jr. Mark 5 can load four to six boxes per hour, and can be upgraded at a later date with the 285 CA primer feed (not available in .410 bore), which eliminates the need to handle each primer individually. Best of all, the price won't shoot anyone's budget.The press is adjustable for 3" shells, and is available in 10, 12 16, 20, 28 gauge and .410 bore. Die sets are available in all gauges.NOTE: 20 and 410 Gauge loaders can be ordered and shipped in the 3" configuration (Choose below). These loaders will ship direct from the factory. Unless specified below, 20 and 410 gauge loaders are adjustable to load 3" shells, but are shipped from Gamaliel's warehouse in a 2 3/4" (20) and 2 1/2" (410) configuration.