This method of recoil reduction is seldom used in small arms due to the dangerous and highly visible backblast area it generates, the RT-20 is no exception.
ðɪs mˈɛθəd ʌv ɹᵻkˈɔɪl ɹᵻdˈʌkʃən ɪz sˈɛldəm jˈuːzd ɪn smˈɔːl ˈɑːɹmz dˈuː tə ðə dˈeɪndʒɚɹəs ænd hˈaɪli vˈɪzᵻbəl bˈækblæst ˈɛɹiə ɪt dʒˈɛnɚɹˌeɪts, ðɪ ˌɑːɹtˈiː twˈɛnti ɪz nˈoʊ ɛksˈɛpʃən.