The .264 Winchester Magnum Modified Case is an essential precision tool for handloaders seeking to optimize bullet seating depth and achieve maximum accuracy from their rifles..264 Winchester Magnum Modified Case (SKU: A264)Precision measurement tool for bullet seating depthHelps determine optimal jump distance to riflingCritical component for accuracy optimizationProfessional-grade reloading equipmentRegulating seating depth and the resulting "jump" to the rifling is widely regarded as fundamental to improved accuracy. A few thousandths of an inch change between the bullet and the rifling can make the difference between average accuracy and real tack-driver performance.