The Redding Competition Seating Die for .223 Remington represents the state of the art in straight line bullet seaters delivering precision ground tolerances and micrometer adjustment in .001 inch increments.Redding Competition Seating Die - .223 RemingtonMicrometer calibrated in .001 inch increments for precise seating depthPrecision ground seating stem matched exactly to bullet diameterStraight-line design eliminates concentricity problemsComplete cartridge case and bullet support in precision ground sleeveInfinitely adjustable without clicksSetting feature allows customization to rifle specificationsEngineered for competitive shooters and precision reloaders who demand maximum accuracy and consistency. The ultra-precise tolerances and floating seating stem design ensure superior bullet alignment. Not recommended for use with compressed loads.