Brownells Spiral Flute Long Forcing Cone Reamer .410 Bore 3/8" Hex

The Brownells Spiral Flute Long Forcing Cone Reamer is a precision gunsmithing tool designed to cut and true the forcing cone in .410 bore shotgun barrels. The long forcing cone profile promotes smoother shot and wad transition from the chamber into the bore, helping to improve pattern consistency and reduce shot deformation. Features a 3/8" hex shank for use with a standard tap wrench or drill, and spiral fluting for improved chip clearance during cutting.