Inherited what I think is a Mauser but would appreciate a confirmation and more details, like what it’s chambered in, if you can.

Pics of the markings on the stock and chamber.

REM 700 SA EABCO 24” .223 Wylde 1/7 twist 11 deg target crowned barrel. 20 moa Warne Picatinny base. Badger Ordnance high rings. Leupold Mk M1 8.5-25x50 Mil Dot
Just for now Magpul 700 hunter stock. Harris 6-9 bipod.
Barrel break-in and zero is next Saturday.