This Combo includes NcSTAR's MAR6 Carry Handle Adapter and the DBB130 Red Dot optic.This will mount onto your AR15/M4 Carry Handle DBB130 30mm Red Dot tube reflex optic: LED (Light Emitting Diode) 100% safe for the eyes. Unlimited eye relief for flexible mounting 30mm Objective lens. Seven Position Rheostat Knob for Multiple Brightness Settings Integrated weaver type mount. Flip-up lens caps. MAR6 Features Adapter Rail for the AR carry handle. Allows you to mount an optic onto the carry handle using Weaver/ Picatinny type rings & mounts Attached to the Carry Handle via the supplied thumb nut. Not tools required. See-through mount, when mounted onto the carry handle you can still utilize the iron sights Aluminum construction. Gross Weight: 9.1 oz.Scope Features: Reticle: Red Dot Magnification: 1x Objective Lens: 30mm Dot Size: 3 Moa Eye Relief: Unlimited Click Value: 1 Moa Length: 3.8" Optic Weight: 6.8 Oz. Lens Coating: Ruby Battery: CR2032 (Included)Specifications Color: Black Fabric/Material: Aluminum Magnification: 1 x Objective Lens Diameter: 30 mm Reticle: Dot Illumination Type: LED Illumination Color: Red Eye Relief: Unlimited Optical Coating: Ruby Attachment/Mount Type: Weaver Gun Model: AR15/M4 Length: 3.8 in Weight: 9.1 oz Included Accessories: Red Dot Optic, MAR6 Carry Handle Adapter, Flip-Up Lens Cap Condition: New Magnification Type: Fixed Tube Diameter: 30 mm