Mec Spindex Kit .410 Bore. Developed by reloading professionals and enthusiasts these Reloading Supplies & Parts created by MEC utilize a star crimping design that automatically realigns the original crimp groove to accommodate the cartridge eliminating the manual labor of resizing. This Mec SpIndex 410 Bore Crimping Kit is precision made and designed to automatically realign saving you hours of resizing. When you need a perfect crimp every time you need the Mec SpIndex 410 Bore SS Crimping Kit. Specifications for Mec Spindex Kit .410 Bore: Manufacturer: MEC Caliber: .410 Bore Fabric/Material: Steel Color: Black Package Contents: Mec Spindex Kit .410 Bore The Mec Spindex Kit .410 Bore is a quality addition to the MEC lineup. For more great deals on Press Parts & Accessories by MEC please browse our Mec Reloading Equipment page. Mec Spindex Kit .410 Bore