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489 Ballistic Coefficient G7 0
The Adapter has 1/4" hex standard shaft while the retainer uses Lee Auto Prime shell holders (not included) to hold the cartridge case
quality and performance that you have come to expect from Bore Tech
Note: Should only be used for cases fired in bolt-action rifles
L.E. Wilson Case Trimmer Neck Reamer, 220 Diameter (.2265-.227 Finished Diameter) Bullet Calibre_20 Calibre 489 Ballistic Coefficient G7 0Thick necks can cause high chamber pressures and erratic shooting. Neck reamers remove excess neck material to ensure adequate clearance exists between the case neck and the chamber. Also, these reamers can be used when forming wildcats from a parent case. Reamers are used in the trimmers in place of the trimmer cutter. Standard reamers are sized for use on fired, unsized cases. Special sizes can be ground but will extend lead time. Knob style handle
