Remove excess case neck material from 50 BMG cases withthis steel Wilson Neck Reamer. When used with the WilsonCase Trimmer it gives an adequate clearance between thecase neck and the chamber. Proper case preparation usingthis neck reamer will reduce the risk of having a thick neck thatcan lead to high chamber pressure and improve ballistic accuracy. Removethe existing case trimmer cutter on the L.E. Wilson Case Trimmer and replacewith the Wilson 50 BMG Neck Reamer.
Sinclair, Issue:4B, Page:011
Sinclair, Issue:4B, Page:079