Glock Sight Press
by billmi, published
Press for adjusting the rear sight on Glock Safe Action Pistols. An inexpensive alternative to the commercially available aluminum and steel sight installation/adjustment tools.
This is a lightweight press for adjusting (or installing) rear sights on a Glock Safe Action Pistol. I designed it based on measurements for a Glock 17, though I believe the rear slide dimensions are consistent enough through the rest of the models, that it should work with them as well.
A 3" long 1/4-20 screw gets epoxied into the handle. There is a void in the handle to allow the epoxy plenty of mechanical grip against the shape. A 1/4-20 nut fits inside the body. Depending on the size head on the screw you use, you may want to adjust the diameter of the hole in the handle accordingly.
The slide is reversible, so it can be used with Glock sights which have angled sides, or with aftermarket sights with vertical sides.
I printed the body and handle with 10% infil. It feels solid but is quite lightweight (especially compared to a traditional aluminum sight press). Because the force of the screw is concentrated on the surface at the bottom of the hole in the slide, I think it's worth printing the slide separately as a solid object. I've uploaded an stl of all three parts, as well as separate files to allow the slide to be printed solid.
Additionally, dropping a small washer or metal disk into the hole in the slide should improve its durability (or just print a new one if/when it wears out).
This is a push-only sight press, and must be slid onto the receiver with the handle on the opposite side to move the rear sight in the other direction.
It should go without saying, but adjustment or repair on a firearm should only be performed by people who have been trained to do it properly and safely. This tool should only be used on the slide and sight of a pistol that is unloaded and disassembled in accordance with its manufacturer's instructions. Also note: a number of aftermarket sights have lock screws which must be released before they can be adjusted. Trying to move one with this press when it is locked will result in damage to the press, the sight, and or the slide.
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Glock Sight Press by billmi is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
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