Magpul MBUS Back-Up Gen 2 Flip Up Rear Sight - Gray

The Magpul MBUS (Magpul Back-Up Sight) Gen 2 Rear Sight in Gray delivers high-performance, lightweight backup targeting for standard Picatinny rails. Molded from impact-resistant polymer, this rear sight is engineered to hold up under severe field use while retaining accurate zero.

Key Features:

• Dual-Release Activation: Deploy instantly from either side or by pressing the top release tab.
• Dual Apertures: Protective side wings shield same-plane flip apertures optimized for both immediate short-range and precision long-range engagements.
• Positive Windage Adjustment: Integrated detent knob allows fast, positive windage adjustments without extra tools.
• Impact-Resistant Folding: Spring and detent pressure hold the sight firmly upright, while allowing it to fold flat safely under hard direct impact.
• Lightweight & Durable: Polymer build minimizes weight on your upper receiver without sacrificing structural integrity.