Redding Type S Bushing Neck Die 300 Win Mag The Redding Type S Bushing Neck Die Allows The Reloader To precisely Control Case Neck Size And Tension. Type S Dies Use Interchangeable Sizing bushings That Are Available In .001" increments. The Adjustable Decapping Rod Allows positioning The Bushing To Resize Only a Portion Of The Neck as Desired. A Decapping Pin Retainer Is Also supplied With All Type S-Bushing Dies. This enables Neck Sizing Without The Use Of The Size Button For Those Who Sort And/Or Turn Case Neck For Uniformity. Bushing And shellholder Are Sold separately. Cartridge: 300 Winchester Magnum