Wilson Combat has the latest design from Larry Vickers, the Vickers Elite Battle Sight. This a rear sight with .145" width, and works with .125" wide, .245" high front for 9mm, .40S&W Glocks. 10mm and .45 ACP needs .230" height.
There is also several Vickers front sights,
Vickers Elite Snag Free Front Sight, Tritium, .245"(Price $45.95)
Vickers Elite Snag Free Front Sight for Glock, Red Fiber Optic, .245" ($39.95)
Vickers Elite Snag Free Front Sight for Glock, Green Fiber Optic, .245"($39.95)
Full list of Vickers parts from Wilson Combat
From: Wilson Combat