Possum Hollow Bore Guide #41 - .300 Rem Ultra Mag, 7MM Rem Ultra Mag Fits Rem 700, Win Model 70, Mauser Turning Expander_.20 Calibre 300 Weatherby Magnum

300 Weatherby Magnum

458 Bullet Weight 350gr Bullet Style Round Nose Ballistic Coefficient 0

Change primer size or shell holder in seconds

Chamfer/Deburr depth stop for consistency from case to case

Cartridge cases are an important factor in this reputation

Possum Hollow Bore Guide #41 - .300 Rem Ultra Mag, 7MM Rem Ultra Mag Fits Rem 700, Win Model 70, Mauser Turning Expander_.20 Calibre 300 Weatherby MagnumA Possum Hollow bore guide aligns the cleaning rod centrally to the bore to prevent throat or rifling damage. O ring seals the chamber and prevents solvents from contaminating the action and trigger and helps to keep the bore guide firmly in place. Large replacement O ring fits all guides and solvent port. For optimum performance, add an optional solvent port (sold separately). Solvent Ports fit into the end of the Bore Guide to ease solvent