This is an old German genuine receiver latch (A22) from WW2 for MG 34. If you have a questions about it please contact me. About 5.5 x 1 x 0.8 cm(2.1 x 0.4 x 0.3 in). Dear buyers, please visit my store to see my other listings. It can vary depending on holidays and which services is used.Dear customers, please do not open a case before this period.