Hey everyone! We’ve heard that some of the Holosun 407K/507K optics have been a little tight on the CR slides. Our assessment is that the optic bodies have been varying a little in length, resulting in a tighter condition. This is not necessarily a bad thing at all—it actually makes for a rock solid fit. However, this video shows some techniques you can use to improve the installation process if things are really tight.
Technical Tuesday – CR920 Optic Mounting Tip
