I've been lusting after that reign 3.0 from cloud. But I just can't justify that cost at the moment.If I were willing to drop some coin on one I’d probably go with a Cloud Defensive, though I’d also look hard at Modlite. On a budget Streamlight is hard to beat.
https://www.clouddefensive.com/shop/
https://modlite.com/collections/rifle-mounted-lights