Product Description Built for close to midrange performance, the Sightmark Citadel 1-6x24 CR1 rifle scope delivers fast target acquisition and dependable accuracy in a rugged, lowprofile package. Its second focal plane CR1 bullet drop compensating reticle is calibrated for 55grain .223/5.56 and features red illumination to enhance contrast in low light. A singlepiece 30mm aircraftgrade aluminum tube, fully multicoated glass, and IP67 waterproof, fogproof, and shockproof construction make the Citadel a reliable companion for AR platforms and boltaction rifles. Included flipup lens caps, a throw lever, and a CR2032 battery round out a featurerich optic designed for real shooters. Product Highlights Second focal plane CR1 BDC reticle calibrated for 55gr .223/5.56 Red illuminated, fineetched reticle with 0-11 brightness settings Durable singlepiece 30mm aircraftgrade aluminum tube Fully multicoated glass for clear, bright sight picture Includes throw lever, flipup lens covers, and CR2032 battery Specs Magnification: 1-6x Objective Lens Diameter: 24 mm Tube Diameter: 30 mm Reticle: CR1 BDC; Red illuminated Reticle Focal Plane: Second Focal Plane (SFP) Brightness Settings: 0-11 Adjustment Click Value: 0.5 MOA Adjustment Range/Travel @ 100 yds: 120 MOA Field of View (linear): 113.9 ft @ 1x; 18.8 ft @ 6x (100 yds) Eye Relief: 3.9-3.5 in Exit Pupil: 8-3.85 mm Diopter Adjustment: +2/2 dpt Parallax: 100 yds to infinity Length: 10.7 in Weight: 16.2 oz Optical Coating: Fully multicoated Construction: Singlepiece aircraftgrade aluminum Finish: Matte black Environmental: IP67 waterproof; fogproof; shockproof; dustproof Battery: CR2032 (3V), Qty: 1; Battery life: 70-100 hours Included Accessories: Flipup lens covers, throw lever Brand: Sightmark MPN: SM13038CR1 UPC: 812495024795 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.