All the following Calibres take a No: 5 Hornady Shell Holder -- 7mm Weatherby Magnum, . 257 Weatherby Magnum, . 264 Winchester Magnum, 6.5mm Remington Magnum, . 270 Weatherby Magnum, 7mm Remington Magnum, 7mm Remington Ultra Magnum, 7mm RSAUM, 7mm STW, 7mm Weatherby Magnum, ..