Warne 45 Degree Offset Reflex Red Dot Riser features durable aluminum construction with a black anodized finish. Weighing 3 oz, this left hand mount attaches to rifle Picatinny rail interface standards. Its modular top plate with universal indexing pin layouts fits Docter, Trijicon RMR, Leupold DeltaPoint Pro, Sig Romeo 3, C-MORE, Shield, TrueGlo, and UTG reflex optics. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.