K&M "Doughnut Cutter" Carbide Neck-Turning Mandrel

This unique mandrel features cutting flutes on the tip of its carbide shaft. This will cut out the build-up of brass inside the neck-shoulder junction. We also find it is useful to have a conventional mandrel when neck-turning new cases. Photo from Larry Medler's page reviewing the K&M Doughnut Cutter. Check out his home page for a host of great articles on Rifle Silhouette Shooting