Christensen Arms PRSR 30mm Cantilever Mount - Black Anodized - The Christensen Arms PRSR Cantilever Mount has been specifically designed to optimize accuracy and performance in the MSR platform. Constructed from lightweight anodized aluminum and utilizing stainless steel hardware, the MSR mount is designed to withstand the rigors of competition and endure the harsh environments encountered while hunting. Standard 1/2in nut attachments to ensure secure and consistent clamping force. Fits Picatinny style mounts .MSR Ideal Height for 1in or 30mm scopes.