Glock OEM Fixed Rear Sight Steel 6.1mm for Glock Pistols
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Glock
Glock OEM Fixed Rear Sight Steel 6.1mm for Glock Pistols
The Glock OEM Fixed Rear Sight (6.1mm, Steel) is a genuine factory replacement sight engineered to deliver the reliable, no-fuss accuracy that Glock pistols are known for — built to the same tight tolerances as the sights that ship on new Glocks from the factory.
- Genuine Glock OEM steel construction for maximum durability and longevity
- White contrast insert enables fast, intuitive sight alignment under stress
- Fixed rear sight profile eliminates snag points for smooth drawing and holstering
- 6.1mm height fits the vast majority of full-size and compact Glock models
- Standard equipment on the Glock 17L for proven, out-of-the-box performance
- Drop-in replacement installs with a standard sight pusher tool — no gunsmithing needed
Who This Is For
This sight is ideal for Glock owners who need to replace a worn, damaged, or lost factory rear sight and want an exact OEM match rather than an aftermarket alternative. It's also a smart choice for competitive shooters, range instructors, and armorers stocking spare parts, or anyone building a Glock from a stripped slide who wants to restore it to factory specification. Compatible with all Glock models except the G42 and G43, it covers the widest possible range of the Glock lineup in one part number.
Specifications
| Brand | Glock |
|---|---|
| Type | Fixed Rear Sight |
| Material | Steel |
| Sight Height | 6.1mm |
| Sight Insert | White Contrast Dot |
| Compatibility | All Glock models except G42 & G43 |
| Standard On | Glock 17L |
| Mount Type | Dovetail (Glock Standard) |
| Installation | Sight pusher tool recommended |
| Part Number | SP04190 |
Frequently Asked Questions
Which Glock pistols is this rear sight compatible with?
This 6.1mm OEM fixed rear sight fits virtually all standard Glock models, including popular pistols like the G17, G19, G22, G23, G26, G27, G34, G35, and many others. It is not compatible with the G42 or G43, which use a narrower, proprietary dovetail. If you own a G42 or G43, you will need a sight specifically designed for those slimline models.
Do I need a special tool to install this rear sight?
Yes — Glock rear sights are press-fit into a dovetail on the slide and require a sight pusher tool for proper installation and removal. Attempting to drive the sight in or out with a punch and hammer can damage the sight or the slide's dovetail channel. A quality universal handgun sight pusher tool makes the job straightforward and is available from most gunsmithing supply retailers. If you're not comfortable performing the installation yourself, any qualified gunsmith or Glock armorer can do it quickly.
How does the 6.1mm height compare to other Glock sight sizes, and which should I choose?
Glock fixed rear sights are available in several heights (commonly 6.1mm, 6.5mm, and 6.9mm) to allow for point-of-impact adjustment when paired with different front sight heights. The 6.1mm rear sight is the standard factory height used on most Glock pistols and is the correct replacement if you are simply restoring your pistol to its original configuration. If your pistol is shooting consistently high or low with the standard front sight, a taller or shorter rear sight can shift the point of impact; however, for most shooters replacing a damaged or missing factory sight, 6.1mm is the right choice.
