Magpul MBUS Pro - Back-Up Sight – Rear

Delivery time: If the product is not in our stock and has no estimated arrival date, our estimated delivery time is 90–180 days from the order.

Magpul MBUS Pro - Back-Up Sight – Rear The Magpul MBUS Pro Rear Sight (MAG276-BLK) is a durable and reliable backup sight, made entirely of steel and finished with a QPQ nitride treatment.

It mounts to M1913 Picatinny rails and offers tool-less windage adjustment. The sight features two aperture settings, allowing for quick transitions between close-range and long-range scenarios.

When folded, the sight has a height of only 0.38 inches, and when deployed, it is at standard AR sight height. Made in the USA.

Magpul MBUS Pro - Back-Up Sight – Rear - Features:

• Made entirely of steel, finished with QPQ nitride treatment
• Mounts to M1913 Picatinny rails
• Tool-less windage adjustment
• Two aperture settings: wide and narrow
• Height when folded: 0.38 inches, deployed at standard AR sight height
• Made in the USA

Product description updated on 12/13/2025.