Glock Universal Rear Sight Mounting Tool for mounting or pushing the original rear sight.
This tool adjust the point of impact to Left or Right.
Adjustment Tool fit all Glock pistols except Glock 42 and 43.
REAR SIGHT HEIGHTS
GLOCK rear sights are available in four heights.
The standard rear sight height for GLOCK pistols in 9x19, .40, .45 G.A.P., .357 and .380 calibers is 6.5mm (0.256in.).
Glock .45 ACP and 10mm AUTO caliber pistol has 6.9mm (0.27in.).
Rear sights are also available in heights of 6.1mm (0.24in.) and 7.3mm (0.29in.).
Every change of the rear sight height will result in a shift of the predicted position of approximately 50mm (1.97in.) over 25m (27yds.) firing distance.