Christensen Arms 8100004102 Ultralight PRSR-X2 Nato-STANAG/Picatinny Low 30mm Tube Black Anodized Aluminum/Steel The PRSR-X2 Ultralight Precision Scope Mounting System- CNC-machined Rings Are Designed To Optimize Performance Between The Scope And Rifle With Each And Every Shot. Standard 1/2" Nut attachments To Ensure Secure And Consistent clamping Force. Fits Picatinny Style Mounts And Are Nato-STANAG Compatible. Tube Diameter: 30mm Material: Aluminum/Steel Mount Type: Nato-STANAG/Picatinny
