Product DescriptionThe UTG Accu-Sync Flip-Up Rear Sight delivers reliable back-up aiming for AR-15 and other AR-platform rifles equipped with a Picatinny rail. Precision machined from aircraft-grade aluminum with a durable black anodized finish, this compact, low-profile sight features spring-loaded posi-lock deployment with a side plunger release that flips up cleanly and locks in place. Tool-free windage adjustment and dual aiming apertures make it adaptable for different lighting and engagement scenarios. A single Torx locking plate with a 3mm locking bolt secures the sight to the mounting deck; torque to 35 in-lbs for optimal retention.Product Highlights Spring-loaded posi-lock design with side plunger release for secure flip-up/fold-down operation Dual aiming apertures for fast target transitions and low-light or normal shooting conditions Tool-free windage adjustment with clear index marks for easy zeroing Precision machined aircraft-grade aluminum with matte black anodized finish Low-profile 3mm locking bolt and mounting deck fits Picatinny/Weaver rails Specs Product Type: Flip-Up Rear Sight Compatibility: AR-15/AR platform rifles with Picatinny rail Rail Type: Picatinny/Weaver Material: Aircraft-grade aluminum Finish/Color: Black anodized Windage: Tool-free adjustment Apertures: Dual Dimensions: 1.24 in L x 1.30 in W x 1.87 in H Weight: 1.59 oz Mounting: Single Torx locking plate with 3mm locking bolt; recommended torque 35 in-lbs UPC: 4712274528390 Manufacturer Part Number: MNT955 Brand: UTG 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.