Sig Sauer ROMEO-X PRO Green Dot Enclosed Emitter 1X Magnification 24mm Objective 6 MOA Circle Black For SIG-LOC Footprint. 15 oz Water Resistance Level: IPX-7 Weather Resistance: Yes Reticle: 6 MOA Green Dot Battery Type: CR1632 Adjustment Type: MOA Fabric/Material: 7075 Aluminum Magnification: 1 x Objective Lens Diameter: 24 mm Shockproof: Yes Fogproof: Yes Magnification Type: Fixed Adjustment Click Value: 1.5 MOA Eye Relief: Unlimited Emitter Type: Enclosed Length: 1.83 in SIG SORX1590 ROMEO-X REFLX SIGHT 6MOA GRN DOT LOC SIG SAUER Romeo-X Reflx Sight 6Moa Grn Dot Loc SORX1590