The Crimson Trace Brushline optics are designed with the hunter in mind and have been purposefully built from the ground up. The line features aerospace grade 1 tubes that are extremely lightweight as to not add extra weight to hunting rifles. They are fully multi-coated nitrogen purged waterproof and ready for whatever elements they encounter. All Crimson Trace scopes are covered under the LIFETIME protection guaranteed warranty and backed by our award-winning customer service team. - MAGNIFICATION: 4-12X - RETICLE: CT CUSTOM BDC RIMFIRE - FOCAL PLANE: 2ND FOCAL PLANE - MATERIAL: AEROSPACE ALUMINUM - EYE RELIEF (MM): 88.9 - OBJECTIVE LENS DIAMETER: 40 - CLICK VALUE: 1/2 - TURRETS: CAPPED - ILLUMINATION: NO - DIMENSIONS: 14.02 IN X 2.27 IN X 2.26 IN - PRODUCT WEIGHT: 14.016 OZ - LENS COATING: GREEN MULTI COATED - REAR MOUNTING LENGTH (MM): 52 - FRONT MOUNTING LENGTH (MM): 61.1