Forster Bushing Bump Neck Sizing Die for 308 Win

Forster Bushing Bump Neck Sizing Die for 308 Win. 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. Best of all it prevents overworking the necks and allows you to control the amount of neck tension for your bullet seating operation. Interchangeable bushings are available in 0.001 in. increments to allow the user to customize