Check the listing for details. Deadlock Series Dual Ring Scope Mount. Color: Black, Condition: New. Listed at 44.04 USD. All new rigid unibody design with strategically placed lightening cuts to reduce weight A lightweight 3.7 ounces for the inline version to 3.9 ounces for the long offset version- 25% lighter than our previous generation Slim Profile Series scope mounts Available in 3 different mount configurations allowing for optimum placement of your optic: Inline Rings, 1 Inch Offset Cantilever Rings, and 2 inch Offset Cantilever Rings. Available in 1 inch, 30 mm, and 34 mm diameter configurations. 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 All Monstrum products are backed by a lifetime guarantee