Remington MARS rail. Fits long action 700’s or clones.
Spec part for Mk13 sniper rifle .
20 Moa Cant
Has some minor marks .
Recoil pin has been squeezed, can be replaced as it’s just a split pin.
Only comes with 3 screws to attach. I would buy new 8/40 screws as these are the smaller ones anyway.