Lyman .223 WSSM/.300 Remington Ultra Magnum/8mm Remington Magnum Custom Fit Loading Block

Whether you're prepping rounds for the range or fine-tuning a new load, Lyman custom fit loading blocks keep your process clean and consistent. Designed to hold 50 cartridges of like sizes, these blocks are available in six configurations to suit most common calibers. Each hole is precisely machined and clearly labeled by diameter, making it easy to identify your brass at a glance. Tough polymer construction ensures years of use, and the nesting design keeps storage simple and tidy.