Complex sentence: A 7.62x39mm version designated "Groza-1" was developed for the Spetsnaz, which accepts standard AK-47 magazines and may be equipped with a standard issue AK-74 bayonet.
Split into simpler sentences: A 7.62x39mm version named "Groza-1" was also developed for the Spetsnaz. This version accepts AK-47 standard magazines and may be equipped with a standard issue AK-74 bayonet.