Possum Hollow Bore Guide #77 - .22-250 Remington, 6 BR, 243 Winchester, 6.5 x 47 Lapua Fits BAT Machine Actions

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.