Contact Ruger Customer Service through their website, ask for an owner's manual. They are free.
100-400
Unknown caliber. Contact Ruger
Yes, Ruger produced a 50th Anniversary M77 Mark II chambered in .264 caliber. This special edition rifle was released to commemorate the 50th anniversary of Ruger's M77 model. It features distinctive markings and specifications that set it apart from standard models, appealing to collectors and enthusiasts alike.
Go to Ruger's web site to find out.
Just bought a Ruger Mark II .257 Roberts paid $549.00
100-450
200-450 or so
100-560 or so
Not currently cataloged.
50-500 USD or so
100-650 usd
Request an owner's manual from Ruger on their web site or take it to a gun smith.