S&K Gunstocks made these for the Remington 798 Large Ring Mauser rifle. Field reports indicate they fit the Interarms Mark X also. They'd fit other large rings also with some modifications depending on your rifle.
Follow the link below for complete description with pics and enter promotion code "LRH98" at checkout to get the special LRH member price!
Mauser 98 Large Ring Sporter Stocks - Remington 798 (OEM) Interarms Mark X Parker-Hale 1200 Charles Daly