Lyman Pro Micrometer Seating Die 40 S&W/10mm - 7704370

Lyman seating die designed for use with progressive and automated reloading presses, featuring a long tapered expanding plug for precise case flaring and bullet positioning. Constructed from corrosion-resistant stainless steel to prevent rust and maintain appearance through extended use. Compatible with 40 S&W and 10mm calibers.