Keep your CZ firearms running like new with genuine factory replacement CZ USA parts and accessories! This particular magazine is an original magazine direct from the CZ factory. This magazine is designed for use with the CZ Scorpion 3+ line of firearms, and these magazines can also be used with earlier models of the CZ Scorpion such as the EVO 3. The magazine is built to the exact tolerances and specifications set forth by the CZ factory in order to ensure long term use and reliable operation.