One of a family of cartridges, nominally referred to as being 43. With a bullet diameter of 0.448″, bullets used for the 43 Mauser can normally be used with good result and if they are not sized, they will likely be the right diameter. While this family has similar performance, case dimensions vary enough that they are not functionally inter-changeable. The price is per 20 cases. The shipping weight is 310 g/20 cases.