Single Stack 9mm - Fits ONLY Glock 43, 43X and 48.
Standard Fits Glock Models- (17, 17L, 19, 19X, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 30sf, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 45) AND Fits ALL Generations (1, 2, 3, 4, 5)