Product Details
If you've got a G42 or G43 and your rear sight needs replacing, this is the genuine Glock part that will get you back on track. It's the fixed rear sight (meaning it doesn't adjust) and it's sized right for Glock's slim models. This is OEM, so you know it'll fit like it came from the factory because, well, it did. It's a straightforward swap if you're comfortable doing it yourself, or we can help you get it installed.