tə kənsˈɪdɚ dˈɪfɹənt kˌɑːmbᵻnˈeɪʃənz ʌv fˈæktɚz, sˈɛvɹəl dˈɪfɹənt kˈælɪbɚz wɜː jˈuːzd dˈʊɹɹɪŋ ðə tˈɛsts: sˈɛvən.sˈɪksti fˈaɪv tˈaɪmz twˈɛnti wˈʌn ˌɛmˈɛm pˌæɹəbˈɛləm.θˈɜːɾi lˈuːɡɚ, nˈaɪn tˈaɪmz nˈaɪntiːn ˌɛmˈɛm pˌæɹəbˈɛləm dʒˈɜːməni, .θˈɜːɾi ˈeɪt
To consider different combinations of factors, several different calibers were used during the tests: 7.65×21mm Parabellum (.30 Luger), 9×19mm Parabellum (Germany), .38