Redding Bullet Seating Micrometers are designed for use with most standard Redding Seating Dies, offering a precise upgrade to your reloading setup. These micrometers serve as a direct replacement for the original seat plug and can easily be swapped between dies, allowing for quick changes between different cartridges. Comes for bottleneck cartridges, the micrometers come in two variants: one for traditional bullet shapes (STD) and one for VLD bullet shapes (VLD). Additionally, they are offered for handgun and straight wall cartridges, with options for traditional bullet shapes (STD) and flat nose bullet designs (FLAT). Whether you're reloading for rifles or handguns, Redding Bullet Seating Micrometers provide exceptional accuracy and versatility for consistent seating depth.