MTM Screw-It Deluxe Bore Guide Kit for up to .357 Dia Grey

Designed for regular rifles and AR modern sporting rifles. Bore guides properly align the cleaning rod and reduce solvent overflow, protecting the bore and action of your rifle. Screw-in design creates a tight chamber fit, which aligns bore and protects action area. It fits bolt diameters .695 or smaller - Compatible with cleaning rods up to .375 diameter.