depends what model but, Glock 17 (standard size) would have a effective range of roughly 60 metres
50m
25m
If you mean the Glock 25 or 28, ABOUT 25 meters, due to their subcompact nature. Neither is available for sale in the US to a private citizen, due to gun import laws.
@ 50m
50 meters. The maximum range is about 960 meters, but the maximum EFFECTIVE range is 50 meters.
50-60 meters
For a 9mm PISTOL- effective range is about 50 meters. Max range about 960.
25m
50 metres is going to be the given effective range of any pistol.
25-50 m
@ 50m
The effective range on this certain Glock is about 125 yards.