MEC 600 Jr. Mark 5 Reloader 12 ga

The MEC 600 Jr. Mark 5 Reloader 12 ga is a single-stage reloading press engineered for shooters and handloaders who demand reliable, consistent ammunition production without unnecessary complexity. Whether you're a competitive clay shooter, waterfowl hunter, or serious sport shooter, this Mayville Engineering Co. machine delivers the precision and speed needed to keep your shotshell inventory stocked affordably. Single-stage reloaders remain the gold standard for quality control, offering shooters direct feedback and repeatability on every cycle.

The MEC 600 Jr. Mark 5 operates as a manual press with a progressive design capability that cycles through four to six completed 12-gauge rounds per hour, making it suitable for both casual reloaders and those building volume for regular range or field use. The machine's robust cast-iron construction and precision-machined components ensure shot-to-shot consistency in powder charge, primer seating, and crimp formation—critical variables that directly impact pattern density and ballistic performance. Its compact footprint (17.1 x 9.4 x 22.4 inches) and manageable weight of 13.94 pounds make it ideal for benchtop mounting in a small shop or dedicated reloading station, while the single-stage design eliminates the complexity of multi-stage setup and adjustment.

Serious 12-gauge shooters—from competition trap and skeet athletes to practical shotgun sports enthusiasts—benefit most from the MEC 600 Jr. Mark 5's straightforward, proven design and reputation for longevity. The machine is compatible with standard 12-gauge brass, wads, and shot charges, and it accepts standard MEC reloading dies and accessories, ensuring you can source components and upgrades readily. Its mechanical simplicity translates to minimal downtime and predictable long-term reliability, making it an investment that pays dividends through years of consistent ammunition production. Available for sale and ready to ship, this reloader is backed by Mayville Engineering Co.'s legacy of quality manufacturing in the reloading industry.