Lee REAL Muzzleloader Mould Combo - Double Cavity Includes Handles 50in 320 gr .490in Ball. Two lube grooves prevent flash ignition and lead fouling. More energy and far greater accuracy than round balls Item# LEE90405: Lee Double Cavity Combo Mold produces one 45 Cal. diameter 200 grain R.E.A.L bullet and one .440 diameter round Ball Item# LEE90488: Lee Double Cavity Combo Mold produces one 50 Cal. diameter 320 grain R.E.A.L bullet and one .490 diameter round Ball Package Contents: Lee REAL Muzzleloader Mould Combo - Double Cavity Lee 90488: REAL Muzzleloader Mould Combo - Double Cavity Includes Handles 50in 320 gr .490in Ball