The Midwest ERS Flip-Up Rear Sight is an A2-style dual-aperture rear sight designed to provide dependable iron-sight functionality. Its apertures are fully protected to reduce risk of accidental damage during use and transport. Built with thick, rugged pivot ears and a reinforced locking detent, the ERS emphasizes durability and secure deployment. It is manufactured from 6061 aluminum with mil-spec hard coat anodizing and is made in the U.S.A. with a lifetime warranty.
Key Specifications
- The sight uses an A2 style dual aperture arrangement and is fully protected from accidental damage.
- The pivot ears are twice as thick as the competition for enhanced ruggedness.
- The body is constructed from 6061 aluminum with mil-spec hard coat anodizing.
- The locking detent provides double the locking surface for increased retention strength.
- The windage adjustment uses the same style knob as on the standard M-16 & M-4 rifles.
- Origin and support are listed as Made in the U.S.A. with Lifetime Warranty.
- The listed weight is 0.1813 (manufacturer specification).
- The listed shipping weight is 0.1813 (manufacturer specification).
Engineered for reliable back-up iron sight performance, the Midwest ERS Flip-Up Rear Sight balances rugged construction with user-focused features like protected apertures and a positive locking detent. Its reinforced pivot ears and proven windage design make it well suited for shooters seeking a durable, low-profile rear sight that holds zero and withstands regular use. Backed by a lifetime warranty and U.S. manufacturing, the ERS is a practical choice for users who prioritize long-term reliability and solid mechanical design.
