Remington Core-Lokt .45-70 Government Reduced Pressure 405 Grain Core-Lokt Soft Point Centerfire Rifle Ammo, 20 Rounds, 29473

45-70 load is no different. Remington tried several different designs in the past before settling on the current industry favorite: the Core-Lokt. It works because of the classic tapered copper jacket that is locked to the lead core.