Designed for use in 50 caliber in-line rifles. A single pellet may be used for target or small game and two 50/50 Pellets may be used to create the 100 grain equivalent for big game. Packed 100 Pellets to the box or 24 Pellets to the card. Easy clean-up, both rifle and hands wash up with plain water. Designed for use with 209 shotshelll primers only.