Spuhr Tri-Rail Short Black Length 70 mm/2.76in. These One Piece Rifle Scope Mounts designed by Spuhr accept accessories with Picatinny clamps and fit around the ring on 34mm mounts. The Spuhr A-0090 Tri-Rail offers side and top attachments so that you can place an optic on top and a laser on the side for a complete setup that doesn't interfere with any other components. Pick up the Spuhr 70mm Tri-Rail to customize your firearm today. Specifications for Spuhr Tri-Rail Short: Manufacturer: Spuhr Color: Black Length: 70 mm Package Contents: Spuhr Tri-Rail Short Screws Spuhr A-0090: Tri-Rail Short Black Length 70 mm/2.76in