Four Hole Receiver Mount?

[BigVideo]

Hello,

Just picked up a 1985 870. I'm working on restoring it.
As you can see from the pics - four drilled/tapped holes on the top of the receiver.
Haven't been able to identify a mount or rings that required 4 holes.
Found pics of a Da-Mar mount - looks like that required 6 holes (?!).
Maybe a set of direct attach rings similar to what Talley has for Browning X-Bolt Rifles?

Guy at the store suggested an old red-dot. Seems like a lot of holes for a red-dot; plus 2.5inches front to back?

Thanks in advance.

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[BigVideo]

New Guy issue. Didn't edit post correctly- If anyone has any idea what required this type of mount any info is appreciated.
Thanks again.

[Erika]

Talley is known for producing high-quality scope mounts and rings. They offer various options for different rifle models, including the Browning X-Bolt. Visit their official website or contact their customer support to explore their product range and check if they have specific rings for your rifle.