Monstrum Deadlock Series Scope Mount w/ Picatinny Diving Board 34 mm Diameter Black. With a rigid unibody design with strategically placed lightening cuts to reduce weight - the Monstrum Deadlock Series provides rock-solid mounting of your rifle scope at the absolute minimum amount of weight possible. Integrated diving board allows for placement of secondary optic in the piggyback position. The lightweight design evolved over several generations of Monstrum scope mount products brings the weight down to a mere 4.4 ounces - lighter than previous generation Slim Profile Series scope mounts. Mounts to any flat top Picatinny equipped rifle with custom Picatinny locking bolts that slot seamlessly into your Picatinny rail with zero wiggle - guaranteed to hold zero against the toughest of recoil. Specifications for Monstrum Deadlock Series Scope Mount w/ Picatinny Diving Board: Manufacturer: Monstrum Color: Black Features of Monstrum Deadlock Series Scope Mount w/ Picatinny Diving Board All new rigid unibody design with strategically placed lightening cuts to reduce weight. Integrated diving board allows for placement of secondary optic in the piggyback position. A lightweight 4.4 ounces for the diving board version- lighter than previous generation Slim Profile Series scope mounts. Mounts to any flat top Picatinny equipped rifle with custom Picatinny locking bolts that slot seamlessly into your Picatinny rail with zero wiggle - guaranteed to hold zero against the toughest of recoil. Package Contents: Monstrum Deadlock Series Scope Mount w/ Picatinny Diving Board Monstrum ZS159: Deadlock Series Scope Mount w/ Picatinny Diving Board 34 mm Diameter Black