The NcStar MARDRS AR15 Rear A2 Backup Iron Sight Black Dual Aperture for AR-15 gives your rifle a dependable, no-nonsense rear sight that stays ready when optics are not. This detachable A2-style sight uses a dual-aperture setup and precise windage and elevation controls, delivering a clear sight picture and repeatable adjustments on AR-15 flat-top receivers with Weaver or Picatinny rails.

Compact and low profile at just 2.7 inches long, the MARDRS leaves room for red dots or holographic sights while remaining easy to deploy as a primary or backup aiming solution. Its aluminum and steel construction offers solid durability for range training, general shooting, and duty-style builds, backed by NcStar’s focus on practical, affordable sighting systems.

Key Features:

• Manufacturer: NcStar
• Model: MARDRS AR15 Rear A2 Backup Iron Sight
• Type: Rear Iron Sight
• Firearm Fit: AR-15 Flat-Top Receivers
• Mount Type: Weaver / Picatinny Rail
• Style: Dual Aperture A2 Design
• Windage Adjustment: Adjustable
• Elevation Adjustment: Adjustable
• Length: 2.7 Inches
• Weight: 5.1 Ounces