FORSTER Bushing Bump Neck Sizing .334

Bushings allow you to size the necks of the cases according to your exact requirements in a Bushing Bump Neck Sizing Die.

An ultra-smooth bushing produces higher performing cartridges, so Forster uses a cryogenic super cooling process. Cryogenically treated steel produces filling particles that refine and close the steel surface.

The bushings are heat treated and refined to achieve the precise declared inner diameter.