The RCBS 20704 is a complete 3-die roll crimp set built specifically for reloading 444 Marlin straight-wall cartridges. If you're setting up a 444 Marlin press or expanding your reloading capability for this powerful lever-action round, this Group C die set gives you everything needed to resize, bell, and seat rounds with a factory-style roll crimp finish. RCBS has been the standard in reloading dies for decades, and this set follows that tradition with machined steel construction built to handle the demands of handloading rifle ammunition.

The three-die configuration is purpose-built for straight-wall cartridge work. Start with the Sizer Die, which resizes fired cases back to spec and removes the spent primer in one stroke—a time-saver when you're processing brass in volume. You'll need to lubricate your cases before sizing; this is standard practice and protects both your brass and die investment. Once sized, the Expander Die opens the case mouth to the proper diameter, preparing it to safely accept your bullet while creating the slight bell or flare that promotes smooth feeding through a lever action.

The Seater Die completes the process, pressing the bullet to the correct depth and applying a roll crimp around the case mouth. The roll crimp is essential for straight-wall cartridges like 444 Marlin—it secures the bullet against the recoil and feeding forces of a lever gun and is far more reliable than a taper crimp in that application. This is the setup experienced reloaders reach for when they want ammunition that feeds reliably and performs consistently.

The RCBS 20704 is a complete 3-die roll crimp set built specifically for reloading 444 Marlin straight-wall cartridges. If you're setting up a 444 Marlin press or expanding your reloading capability for this powerful lever-action round, this Group C die set gives you everything needed to resize, bell, and seat rounds with a factory-style roll crimp finish. RCBS has been the standard in reloading dies for decades, and this set follows that tradition with machined steel construction built to handle the demands of handloading rifle ammunition.

The three-die configuration is purpose-built for straight-wall cartridge work. Start with the Sizer Die, which resizes fired cases back to spec and removes the spent primer in one stroke—a time-saver when you're processing brass in volume. You'll need to lubricate your cases before sizing; this is standard practice and protects both your brass and die investment. Once sized, the Expander Die opens the case mouth to the proper diameter, preparing it to safely accept your bullet while creating the slight bell or flare that promotes smooth feeding through a lever action.

The Seater Die completes the process, pressing the bullet to the correct depth and applying a roll crimp around the case mouth. The roll crimp is essential for straight-wall cartridges like 444 Marlin—it secures the bullet against the recoil and feeding forces of a lever gun and is far more reliable than a taper crimp in that application. This is the setup experienced reloaders reach for when they want ammunition that feeds reliably and performs consistently.