MP5 A5E MP5 as described above with new style 4 position trigger pack allowing safe, single shot, counted burst, and full auto operation.
MP5 A3 MP5 as described above with S-E-F trigger pack and retractable stock. These other variations of the MP5 are known to exist: MP5 A2 MP5 with S-E-F trigger pack and fixed full length stock. Well, the two letter code refers to the year the weapon was made. Heckler Koch Date of Manufacturer Date Codes If you own a Heckler Koch product, you may be wondering what those numbers and letters stamped on the receiver mean. By Admin, Februin Heckler & Koch Carbines, Rifles. See more items in: Political and Military.
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Heckler Koch Serial Number Date Codes Sign in to follow this. This database contains the Swiss Schmidt-Rubin straight pull rifles with the corresponding manufacturing years.