Product DescriptionTroy Industries&'; Rear Folding BattleSight is engineered for durability and precision, making it a trusted choice for professional and enthusiast shooters. Designed for the AR-15 platform, this round-aperture rear sight deploys with a simple push-button and folds flat when not in use. Constructed from 6061 T6 aircraft-grade aluminum and stainless steel with a MilSpec Type III hardcoat anodized black finish, it features a zerocanting attachment system and toolfree adjustments so you can stay on target under demanding conditions.Product Highlights Rear folding backup iron sight for AR-15 with round aperture Toolfree elevation adjustments; each click equals 0.5 Minutes of Angle Robust stainlesssteel crosslocking system keeps the sight upright and zeroed MilSpec Type III hardcoat anodized aluminum and stainless steel construction Low-profile design folds with a push button; approx. 0.460" profile when folded Specs Compatibility: AR-15 platform Design: Rear Folding BattleSight, round aperture Adjustment Click Value: 0.5 MOA per click Materials: 6061 T6 aircraft aluminum and stainless steel Finish: Type III hardcoat anodized black Attachment: Zero-canting system; push-button folding Folded Profile Height: ~0.460 inches UPC: 812699010709 MPN: SSIGFBSROBT00 Brand Name: Troy Industries 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.