The MEC 600 Jr Mark 5 Single-Stage Shotshell Reloader, 12 Gauge (brand part no. 844712) is MEC’s long-running single-stage shotshell reloader, built for 12 Gauge shooters who want quick, simple operation without the complexity of a progressive press. A cam-action crimp die returns every shell to its original condition, and positioning wads is fast and straightforward on the swing-out charge bar. The 600 Jr. Mark V can load four to six boxes per hour once you’re in a rhythm, and it’s adjustable to handle shells up to 3 inches. It ships with one charge bar and three powder bushings, so you have what you need to start loading 12 Gauge shells right away.

Key Specifications

• Cam-Action Crimp Die returns every shell to its original crimped condition.
• Single-Stage Operation keeps the reloading process simple and predictable compared to a progressive press.
• 4-to-6 Boxes Per Hour Capacity gives you a realistic sense of loading speed once you’re in a rhythm.
• Adjustable Up to 3-Inch Shells covers standard and magnum-length shotshells in this gauge.
• 1 Charge Bar and 3 Powder Bushings Included get you started loading without a separate accessory purchase.
• 12 Gauge Chambering this press is set up specifically for this shotshell gauge.
• Multi-Size Bushing Compatibility lets the charge bar and bushings be swapped for different powder and shot charges.
• 23.2500-Inch Press Footprint is worth checking against your bench space before ordering.

Frequently Asked Questions

What shell lengths does the 12 Gauge 600 Jr. Mark V handle? It’s adjustable to handle shells up to 3 inches.

What accessories are included? One charge bar and three powder bushings ship with the press.

Buy the MEC 600 Jr Mark 5 Single-Stage Shotshell Reloader, 12 Gauge

Load 12 Gauge shotshells with a proven, simple single-stage press. Order from MEC‘s lineup of reloading presses and kits and our Lubbock, Texas team can help round out your bench. Ships fast from a Lubbock, TX gun shop.