It was developed by the Special Mortar Design Bureau (SKB Gladkostvolnoi artillerii) in Kolomna who were also responsible for the AT-3 Sagger.
This included 400 T-54 and Type 59 (a Chinese version of the T-54) medium and 200 PT-76 light amphibious tanks, hundreds of anti-aircraft missiles, including the shoulder-fired, heat-seeking SA-7 Strela (called the Grail in the West), anti-tank missiles, including the wire-guided AT-3 Sagger and heavy-caliber, long-range artillery.