Calculated Kinetics Sig Sauer P211/P320 Adapter Plate RMR Black. These vaults combine heavy-duty steel construction with user friendly access giving you reliable security and peace of mind wherever you need it. Specifications for Calculated Kinetics Sig Sauer P211/P320 Adapter Plate: Manufacturer: Calculated Kinetics Additional Features: Mount Optic Plate Optic Cut: Trijicon RMR Color: Black Case Finish: Anodized Light/Laser Attachment: Trijicon RMR Handle Color: Black Blade Finish: Anodized Handle Finish: Anodized Finish: Anodized Black HORN 95440 DIGI-VAULT TWO-GUN Calculated Kinetics SIG320-RMR: Sig Sauer P211/P320 Adapter Plate RMR Black