I found the High Speed Gear Pop-Up TACO pouch on PopSmoke Media, and it’s excellent. The adjustable retention fits various radios, and the pop-up pull-tab feature makes it simple to access under pressure. https://www.popsmokemedia.com/product/high-speed-gear-radio-pop-up-taco-molle-compatible-communication-pouch-fits-multiple-radio-devices-11rd00bk-ml-od-40