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 1/2" nut attachments to ensure secure and consistent clamping force. Rings feature stainless steel hardware for "Element Proof" protection. Fits Picatinny style mounts.