WHAT DOES THIS MEAN?
The number in the Results box represents how much shorter (or taller) your front or rear sight needs to change. If you are shooting LOW, then you need a taller rear sight or a shorter front sight. If you are shooting HIGH, then you need a shorter rear sight or a taller front sight.
AMERIGLO offers a variety of rear sights (plain black and tritium) in the following heights: .240", .256", .272", .276", .287", .290", .311", .315", .335", .350", .355", .394", .429", .451", .507" (6.1mm, 6.3mm, 6.5mm, 6.9mm, 7.3mm, 7.4mm, 7.9mm, 8.0mm, 8.5mm, 8.9mm, 9.0mm, 10.0mm, 10.9mm, 11.4mm, 12.9mm)
AMERIGLO offers a variety of front sights (plain, serrated, white dot, tritium) in the following heights: .165" (standard factory height), .180", .190", .200", .215", .220", .225", .240", .260", .280", .300", .315", .330", .350", .365", .407"
You will need to know your current sight heights to correctly replace it.
The standard height of a Glock plastic front sight is .165". (measure only the sight blade). Glock offers a variety of rear sights, indicated with a series of dashes. Glock refers to these heights as +0 (6.5mm), +1 (6.9mm)