[JaM]

Actually there were two versions of T-72A. First 1978 with standard glacis armor(330mm against KE) and 1983 with additional glacis armor (+16mm HHS = 400mm against KE). Same armor addon was used in T-72M1, So we can say that T-72A 1978 = T-72M, T72A 1983 = T-72M1