Product DescriptionThe FAST FTC 4X from UNITY TACTICAL LLC is an integrated 4x magnifier engineered for modern reddot sight setups. Its FliptoCenter mechanism stows the magnifier without occluding the primary optic, while the integrated mount raises the optical centerline to 2.26 inches for a headsup shooting posture. Built from rugged 7075T6 aluminum with waterproof, parallaxfree optical glass, this magnifier delivers clear target identification and rapid transitions between nonmagnified and magnified views. It includes a FAST QuickDetach lever for secure, toolless mounting on Picatinny rails.Product Highlights FliptoCenter design stows cleanly with zero occlusion of the primary reddot optic Integrated mount with 2.26 in optical centerline for a strong, lightweight, streamlined setup Premium optical glass provides crisp 4x magnification and excellent picture clarity Durable 7075T6 aluminum construction; waterproof and parallaxfree performance FAST QuickDetach lever compatible with Picatinny rails for rapid install/removal Specs Product Type: Magnifier for reddot sights Magnification: 4x Optical Centerline Height: 2.26 in Field of View: 30.1 ft at 100 yds Eye Relief: 2.60 in Length: 4.20 in Width: 2.80 in Height: 3.20 in (deployed); 2.00 in (collapsed) Weight: 12.50 oz Material: 7075T6 aluminum Finish/Color: Black anodized Mount Type: Picatinny rail with FAST QuickDetach lever Parallax: Parallax free Waterproof: Yes Adjustments: Continuous/friction; windage & elevation adjustable Series/Model: FAST FTC 4X UPC: 810007882949 Manufacturer Part Number: FSTM4B Brand: UNITY TACTICAL LLC 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.