TRUGLO Tritium Pro Glow-in-The-Dark Handgun Night Sights for Glock Pistols, Glock 42 and 43, Orange Rear Riflescope 63 Inches - Exit Pupil

63 Inches - Exit Pupil Diameter: 4

- Fits: Marlin Models 39A(round barrel) & 39A (Octagon barrel)

Protects up to five years

Up to 64GB SD card

TRUGLO Tritium Pro Glow-in-The-Dark Handgun Night Sights for Glock Pistols, Glock 42 and 43, Orange Rear Riflescope 63 Inches - Exit PupilSimply put TRUGLO manufactures bright ideas. When TFX PRO sights immediately took off and gained critical acclaim we noticed that the world of TRITIUM night sights needed a similar upgrade. Starting with the brightness and durability of our original TRITIUM night sights we added all of our PRO level features now including an orange FOCUSLOCK ring for increased front sight contrast. Front sight FOCUSLOCK ring for even faster focus Angled rear sight