Description
NcStar AR15 Rear A2 Back-up iron SightFree Courier RSA OnlyPlease contact seller to check stock• AR-15 Detachable Rear A2 Iron Back-Up Sight (Dual aperture)• Precision Made Fixed A2 Design Adjustable for Windage and Elevation• Mounts onto Weaver & Picatinny type rails• Aluminum & Steel Construction• Length: 2.7• Weight: 5.1 oz