Warne Maxima bases are molded around the popular Weaver design. Warne Maxima bases are constructed from solid steel to ensure durability and longevity. Maxima bases also offer a full width recoil slot to ensure your rifle has the strongest and most versatile mounting system available today. It is recommended that you use a Torque wrench to apply the recommend amount of torque to ensure a lifetime of successful use.Specifications and features:Warne Maxima Steel Base M902/879M Low Profile DesignWeaver StyleFull Width and Depth recoil slotsSteel constructionMounts with Torx T-15 screw (supplied)25 in/lb recommend torque settingMatte BlackFits:Remington 700 modelsHowa 1500 modelsWeather Vanguard Series IINosler M48