Magpul MBUS Rear Sight Gen 2 - Flat Dark Earth

The Magpul MBUS (Magpul Back-Up Sight) Rear Sight Gen 2 is a rugged polymer backup sight designed for AR-15 platforms and compatible firearms equipped with Picatinny rails.

This Gen 2 rear sight features a spring-loaded flip-up design for rapid deployment. When folded down, it sits low on the rail; when deployed, it provides a reliable sighting solution as a supplement to or replacement for your primary optic.

Constructed from durable Flat Dark Earth polymer, the sight is lightweight at just 0.1225 lb while maintaining the toughness expected from Magpul products. Windage adjustment allows fine-tuning for zero.

• Fits standard Picatinny / M1913 rails
• Spring-loaded flip-up activation
• Windage adjustable (0.5–0.7 MOA per click)
• Flat Dark Earth polymer construction
• Weighs only 0.1225 lb
• Compatible with AR-15 and compatible platforms