I have for sale couple of these sights, new, unopened boxes, picatinny mount included:
(https://vortexoptics.com/media/catalog/product/v/t/vtx_rd_venom_moa_fr_w.jpg?quality=80&bg-color=255,255,255&fit=bounds&height=338&width=578&canvas=578:338)
https://vortexoptics.com/vortex-venom-red-dot.html
249 euros, shipping included.