MANUFACTURER: Warne FAMILY: MSR Series MODEL: MSR Red-Dot Riser TYPE: Accessory-Bases and Mounts ITEM GROUP: Non-Magnified Optic Mounts SHIPPING WEIGHT: 0.27 lbs. ADDL INFO: Fits All T1/T2 Type Interfaces ADDL INFO: Includes 0.180" Spacer MFG MODEL NO: 6101M UPC: 656813107353