Hardened stainless steel neck bushing by L.E. Wilson, with a .261" diameter, features a .003” taper for precise case neck sizing.
Bushing can be flipped for a tighter sizing in emergency situations or for fine-tuning neck tension without using a smaller bushing.
Compatible exclusively with L.E. Wilson dies, not interchangeable with Forster or RCBS dies; select size by subtracting .002"-.003" from the loaded cartridge's outside neck diameter or calculated neck wall thickness.