Ameriglo Optic Compatible Sight Set for Glock Raised and serrated front with blacked out rear — ideal for co-witnessing iron sights through an optic on a Glock pistol Even with modern technology, optics can fail. It’s important to have a reliable and durable set of back-up iron sights on your duty or carry pistol. The all-black sights lend themselves to red-dot usage. If you’re not using an optic, I typically recommend sight sets with a fiber optic front sight for greater visibility. Compatible with all Glock models (Gen 1-5) Front Sight Height: 0.315″ (8mm) Rear Sight Height: 0.394″ (10.01mm) Will not co-witness with: Aimpoint T1, Leupold DeltaPoint Pro and MOS configurations