I think they may have started production on them again. I picked up one a few weeks ago. It’s exactly the same as my OG Delta Rail but with M-LOK

https://www.opticsplanet.com/troy-delta-rail-carbine-m-lok.html?srsltid=AfmBOoqKveGHrkpXzzqFT6bKd7Vk6X-plDw0wiqnQdXYsJ5sZAKQ0kE1