500 S&W and 7.62x54R Shell Plate #16 for Lee Auto Breech Lock Pro by Lee Precision Product Overview now offers the 500 S&W and 7.62x54R Shell Plate #16 for Lee Auto Breech Lock Pro. The BL Pro Shell Plate is for use on the Lee Breech Lock Pro press for progressive reloading. The #16 Shell Plate is constructed of high quality materials for strength and durability. These shell Plates are precision ground to prevent cases snagging or rough edges that impede loading. The #4 Shell Plate is sized for 500 S&W and 7.62x54R. Specifications and Features High Quality Materials 500 S&W and 7.62x54R Precision Ground For Use in Breech Lock Pro