Lee Precision Collet Neck Sizing Die .300 Win Mag - 90961

This Lee Precision collet neck sizer die is designed for .300 Winchester Magnum cartridges and uses a precision mandrel to squeeze case necks for minimal bullet runout and ideal fit. The collet design allows bullets to be seated close to or touching the rifling for maximum accuracy. It is supplied as a die only and is compatible with standard reloading presses.