yes it has a optics cut for a RMSc footprint and will direct mount RMSc Red Dots

Direct Mount for Holosun 507k & RMSc Footprint Optics
Factory Sights Lower 1/3 Cowitness with most optics
Optic Mount Thread Pattern: M3 x 0.5
Torque Specs
Minimum 10.2 in-lb
Max 11.9 in-lb
Blue Thread Lock or Equivalent w/ breakaway rating of 71 in-lb.

Hi Ryan and welcome. Yes Sir, this model has an RMSc Optics Cut and will direct mount RMSc Red Dots without an adapter plate. A popular Red/Green dot to add is the Holosun 407K/507K: budsgunshop.com/product_info.php/products_id/137910/holosun+he407k-gr-x2+reflex+sght+2moa+dot ------------------------------------- budsgunshop.com/product_info.php/products_id/128939/holosun+hs+507k-x2+1x+multi-reticle+black+hardcoat+anodized ----- Chers, stay safe and enjoy!

Hi Ryan, yes sir, this is optics ready.
Direct Mount for Holosun 507k & RMSc Footprint Optics
Factory Sights Lower 1/3 Cowitness with most optics
Stay safe & have a great day!