Forster Products Bushing Bump Neck Die Features The Forster Bushing Bump Neck Die takes a different approach than traditional neck or full length bushing dies by sizing the case neck and adjusting headspace length while leaving the body of the case untouched. This targeted sizing reduces unnecessary working of the brass which can extend case life and improve consistency across firings. The die includes a decapping assembly with no expander ball meaning the chosen bushing size alone determines the resulting internal neck diameter. This gives reloaders precise repeatable control over neck tension simply by swapping bushings. This die is compatible only with Forster bushings and will not accept Redding or Wilson bushings so reloaders should plan their bushing purchases accordingly. When selecting a bushing Forster recommends choosing one approximately .002 inch smaller than a loaded round measures at the case neck with bushings available in .001 inch increments for fine tuning. Bushings must be purchased separately from the die itself. For .223 Remington reloaders chasing tight consistent neck tension without over-working brass this Forster Bushing Bump Neck Die is a precise tool worth adding to the reloading bench. Forster Products Bushing Bump Neck Die Specifications Manufacturer: Forster Model: Bushing Bump Neck Die Caliber: .223 Rem Type: Full Length Sizing Die Available At: GrabAGun