I am a Certified Glock Armorer, NRA Instructor and work for an FFL. I have advanced experience with the old all Steel Glock Sight tool and the new Plastic Glock Sight Tools.
This Trijicon Sight Tool was AMAZING!
This tool works on all 9mm and .40 Cal Glocks including Glock, 26, 19, 17 and 27,23,22.
Advantages include the ability to maneuver the slide forwards and backwards before locking it down in the press. When you do lock it down the lock is very tight and positive, securing the slide. This tool will NOT mark up the slide OR the rear sight. It does an excellent job at drifting the rear sight into place.
I was very, very impressed at how slightly I could maneuver the rear sight. The threads on the press are very thick and strong but are so tight I could move the rear sight a micro amount. I am extremely critical of sight tools as I liked using the Old All Steel Glock Sight Tool which they no longer manufacture. This Trijicon version is even better!
Another stark advantage was the levels and rotary knob. The tool is designed so that you can get a very positive and powerful grip on the press both to drift the rear sight AND to lock down the slide. This is important because the tighter the tolerances of the tool, the more powerful is its ability to drift the sight in small increments.
This tool drifts the sight extremely smoothly. Is able to move even the toughest and most stubborn rear sights, and can drift the sights in small, even micro distances due to i...