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Heinie's Glock Ledge style rear sight for use on the Glock 42 Pistols. This sight is designed to pair with a Heinie front sight and when paired correctly, will not change the POA/POI of your pistol. The Ledge style rear sight is designed for quick aquisition of the front sight utilizing a wider notch width of .156. The rear face is serrated and has enough material to cycle your pistol single handedly with whatever surface is available. In addition, this rear sight has the legendary single tritium insert (for low-light and nightime shooting) that will align vertically with the front sight insert (when used as a set). This vertical alignment is proven to be faster and less confusing for the human eye.
The Heinie Glock rear is a pressed fit (crushed dovetail), it does not require any fitting or modifications to install on your pistol!
HSP Inc. does not accept any returns or exchanges on any product that has been installed and/or is in used condition. If you suspect your product is defective (as in, the tritium does not glow), the product will have to be returned to Heinie for inspection. Heinie cannot send out replacement products without having the originally purchased product in hand. If the item is determined defective, Heinie will send the sight out for the tritium vial to be replaced (in the originally purchased product). We do not replace the entire sight, only the tritium will be replaced. Turn around time to replace a broken or defective tritium vial usually takes about 3-4 weeks.