The NcStar AR-15 Detachable Rear A2 Iron Back-up Sight (dual aperture) is precision-made with aluminum and steel. The fixed A2 design is adjustable for windage and elevation and it mounts onto Weaver and Picatinny-type rails.
| FireArm | No |
| Firearm Type | AR Platform |
| Rear Material | Steel |
| Frame Color | Black |
| Type | Rear |
| Windage Adjustment | Adjustable |
| Elevation Adjustment | Adjustable |
| Style | Dual Aperture |
| Frame Material | Aluminum/Steel |
| Firearm Fit | AR-15 |
| Base Configuration | Picatinny Rail |
| Front Material | N/A |
| Front Color | N/A |