Evolution Gun Works Picatinny Rail Scope Mount Long Wide Base Unanodized Extrusion w/Slots 16in. 60"Width: .750"Finish: N/A Specifications for Evolution Gun Works Picatinny Scope Mount Long Wide Base: Manufacturer: Evolution Gun Works Color: Black Finish: Matte Fabric/Material: Aluminum Gun Rail: Picatinny Length: 15.75 in Height: 0.4 in Weight: 2 oz Condition: New Quantity: 1 Mount Type: Picatinny Attachment Type: Picatinny Package Contents: Evolution Gun Works Picatinny Scope Mount Long Wide Base Evolution Gun Works 46720: Long Wide Base Unanodized Picatinny Rail Scope Mount Extrusion w/ Slots 16 in