You need to have a 3-pin frame and a .40cal ejector. If I remember correctly, from what I have read on here, there is a chance the 9mm ejector will strike the primer.
__________________ Gen 1 Glock 17 • Glock 17 RTF2 • Gen 2 19 • Glock 22 Gen4
Glock 23 RTF2 • Glock 27 Gen4 • Ruger Mark I
Ruger Mark III 22/45 • Advantage Arms LE 19/23 Kit 1896 Tula Mosin