Holosun EPS + Radian Guardian 👍

Published on April 2, 2025
Duration: 9:24

This video details the installation of a Holosun EPS enclosed red dot sight onto a Glock 34 Gen 5 MOS slide using a Radian Guardian adapter plate. The presenter highlights the protective features of the Guardian plate and the benefits of an enclosed emitter optic. The build is intended for range use and is referred to as the 'ultimate range Glock' or 'Gadillac'.

Quick Summary

The Holosun EPS is a full-size, enclosed emitter red dot sight with a 2 MOA dot, offering protection from elements like water and dust. It mounts to Glock MOS slides via adapter plates like the Radian Guardian, which adds a protective front surface for racking. Standard height iron sights can often co-witness with this setup.

Frequently Asked Questions

What is the Holosun EPS optic?

The Holosun EPS is a full-size, enclosed emitter red dot sight. This specific model features a 2 MOA dot and does not include multi-reticle options like circle-only or circle-dot reticles. Its enclosed design protects the emitter from environmental factors.

What is the Radian Guardian plate and what does it do?

The Radian Guardian is an adapter plate designed for Glock MOS slides that mounts an optic. It features a protective front plate, allowing the user to rack the slide off surfaces. It also includes hardware for securely mounting the optic to the plate.

Can you co-witness iron sights with the Holosun EPS on a Glock MOS?

Yes, the presenter found that standard height Dawson Precision iron sights could be co-witnessed with the Holosun EPS mounted on the Glock 34 Gen 5 MOS, even with the Radian Guardian adapter plate. This allows for a backup aiming solution.

How is the Holosun EPS mounted to the Radian Guardian plate?

The Holosun EPS mounts to the Radian Guardian plate using studs that pass through the bottom of the plate. These studs are then secured with 'stud lockers' that are torqued to a specific 15 inch-pounds spec, ensuring a robust attachment.

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