No information known about this rifle other than the brief description in the photo. If you know something about it, please let us know!
the rifle on the picture is the first modification of the later ZK 420 rifle. This construction was designed by Josef Koucky – inventor in Zbrojovka Brno during the second world war. The only exemplar of this rifle is in the Army museum in Prague. This only existing piece was not fabricated during the War, but after the war with the original designes.