A magazine loader including a body including a front strap, a back strap and side panels extending between the front and back straps, a hollow portion being defined between the front and back straps and side panels for receiving therein a firearms magazine, wherein the front and back straps and side panels are configured to substantially match an outer contour of a grip of a given manufacturer's weapon, and a tongue extending from an upper portion of the body with a cartridge contact surface that faces towards the hollow portion, wherein when a magazine is placed in the hollow portion the cartridge contact surface is positioned to push a cartridge into the magazine.