NCStar AR-15 Rear A2 Backup Iron Sight Dual Aperture Picatinny Weaver MARDRS

The NCStar AR-15 Detachable Rear A2 Backup Iron Sight is a rugged, precision-made rear sight designed for flattop AR-platform rifles. Built from durable aluminum and steel, this fixed A2-style sight features dual apertures for fast transitions and is fully adjustable for windage and elevation. It installs quickly on Picatinny or Weaver rails, making it an ideal backup to optics or a primary sight for duty and range use. Compact and finished in black, it delivers reliable zero retention and repeatable adjustments.

Product Highlights

• Fixed A2 rear sight with dual apertures for near/far target engagement
• Adjustable windage and elevation with clearly indexed control knobs
• Detachable design mounts to Picatinny or Weaver top rails on AR-platform rifles
• Durable aluminum and steel construction with black finish
• Compact 2.7 in length and 5.1 oz weight for a low-profile backup solution

Specs

• Position: Rear sight (A2 fixed style)
• Aperture: Dual
• Mount Type: Picatinny/Weaver top rail
• Material: Aluminum & Steel
• Color/Finish: Black
• Length: 2.7 in
• Weight: 5.1 oz
• Adjustments: Windage and elevation
• Compatibility: AR-15/M4/M16 flattop upper receivers