Forster Bushing Bump Neck Sizing Die for 7mm Rem Mag, BBD3551

"Forster Bushing Bump Neck Sizing Die for 7mm Rem Mag, BBD3551. The Die improves accuracy and prolongs case life because the necks are sized down as little as necessary while still bumping the shoulder of the case to maintain overall case concentricity and cartridge headspace length.