Adapter Glock Slide Plate Rail MOS pistol - GL6033755

Adapter for Glock Universal Rear Sight Mounting Tool for mounting or pushing the original rear sight.

Adapter Glock Slide Plate Rail MOS pistol - GL6033755

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.