I have the HQ50L Pro with the Kuiu XL bino harness, they will just fit in, but very snug and you cant use any of the supplied bottom foams. You also need to shape/bend the top of the harness area to the profile of the habrok. As mentioned its two hands to get them out of the harness. The positive is that the Kuiu harness does not use magnets to keep the top closed, so no issues with the magnets impacting the display.