Sharps Bros. Heatseeker Select Chassis Cerakote Finish Black Fits Remington 700 Short Action Walnut Buttstock. Specifications for Sharps Bros. Heatseeker Ruger American Rifle Ranch Rifle Chassis: Manufacturer: Sharps Bros. Color: Black Chassis Material: 6061-T6 Aluminum Gun Rail: M-LOK Features of Sharps Bros. Heatseeker: Billet Construction Package Contents: Sharps Bros. Heatseeker Ruger American Rifle Ranch Rifle Chassis What firearm models does the manufacturer say Sharps Bros. Heatseeker Ruger American Rifle Ranch Rifle Chassis is compatible with? The manufacturer says that Sharps Bros. Heatseeker Ruger American Rifle Ranch Rifle Chassis is compatible with Tikka T3 Tikka T3x Ruger American Rifle Ranch Remington Model 700 Short Action Ruger American Rifle