A Leupold one piece mount, or any of its clones (Tasco, Redfied, Simmons, etc.) for a M99 should fit your holes. They also use two holes in front and one hole in the back. There are plenty of rings in different hights that will work with those mounts.
Go tell the Spartans,Travelers passing by,That here,Obedient to their laws we lie.
I'm older now but I'm still runnin' against the wind
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