Your buddy may be out of luck
http://en.wikipedia.org/wiki/9mmRevolver cartridges
Name Bullet Case length Rim Base Shoulder Neck OAL
9mm Federal 9.02(.355) 19.15(.754) 11.02(.434) 9.93(.391) N/A 9.65(.380) 29.69(1.169)9mm Japanese 9.04 (.356) 21.89 (.862) 11.05 (.435) 9.83 (.387) N/A 9.47 (.373) -
.38 Short Colt 9.07 (.357) 19.43 (.765) 11.02 (.434) 9.63 (.379) N/A 9.63 (.379) -
.38 Long Colt 9.07 (.357) 26.29 (1.035) 11.02 (.434) 9.63 (.379) N/A 9.63 (.379) -
.38 S&W Special 9.07 (.357) 29.34 (1.155) 11.02 (.434) 9.63 (.379) N/A 9.63 (.379) 39.37 (1.550)
.357 S&W Magnum 9.07 (.357) 32.77 (1.290) 11.02 (.434) 9.63 (.379) N/A 9.63 (.379) 40.39 (1.590)
.357 Rem Max [1] 9.093 (.358) 40.77 (1.605) 11.02 (.434) 9.63 (.379) N/A 9.63 (.379) 50.55 (1.990)
.38 S&W 9.15 (.360) 19.68 (.775) 11.02 (.434) 9.817(.3865) 9.792 (.3855) 9.169 (.361) 29.97 (1.180)
.38/200 (.380 Revolver)[2] 9.15 (.360) 17.78 (.700) 11.02 (.434) 9.65 (.380) - 9.58 (.377) 27.94 (1.100)
.41 Long Colt[3] 9.80 (.386) 28.7 (1.13) 10.92 (.430) 10.29 (.405) - 10.26 (.404) 35.31 (1.39)