XS Sights R3D 2.0 Pistol Sights Orange Glock 20,21,29,30,30S,37,41 Tritium front and rear with a photoluminescent glow dot;Serrated rear and anti-reflective lens for reduced glare;Black Nitride finish for corrosion resistance;Wide notch and traditional 3-dot design for clear sight picture;Fits Glock 20,21,29,30,30S,37,41 including Gen 1-5 and MOS;CNC-machined steel construction;Rear ledge for slide manipulation;Availble in Glock 43X & 48, Glock 17, 19, 22-24, 26,27,31-36,38, Glock 20,21,29,30,30S,37,41table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 7600 Product Group Code: 7600J Product Sub Group 1: 7600J3 Inactive: Yes Prop65 Applies: Yes Prop65 Cancer Harm: Yes Prop65 Chemical: Lead