Mk2

+Mk2, short for "Mark 2", commonly designates the second [version](/wiki/version) or iteration of a product, design, or system. It often signifies an [upgrade](/wiki/upgrade) or significant revision over its predecessor, reflecting refinement and improvement.

+## See also

+- [Marking](/wiki/marking)

+- [Model](/wiki/model)

+- [Series](/wiki/series)