VAG-72 and VAG-73
BAГ-72 and BAГ-73

Ukraine, 1973. Caseless 7.62 select-fire pistol. The 73 is larger, with 48 round capacity. AKA Gerasimenko pistol.

https://modernfirearms.net/en/handguns/handguns-en/ukraine-semi-automatic-pistols/gerasimenko-vag-72-vag-73-eng/