Magpul MBUS Pro Back-Up Sight Front

Magpul MBUS Pro Back-Up Sight Front (MAG275-BLK) is a durable and reliable flip-up front sight, made entirely of steel and finished with a QPQ nitride coating to ensure durability and corrosion resistance.

It attaches to M1913 Picatinny rails and offers tool-free elevation adjustment, enabling quick and flexible use as situations change.

The sight is compact, with a height of only 0.43 inches (1.09 cm) when folded and 1.56 inches (3.96 cm) when deployed. It includes two adjustable sight widths: 0.06 inches (1.52 mm) for maximum visibility and 0.04 inches (1.02 mm) for precision shooting.

Magpul MBUS Pro Back-Up Sight Front - Features:

• Made entirely of steel, finished with a QPQ nitride coating
• Attaches to M1913 Picatinny rails
• Tool-free elevation adjustment
• Height when folded: 0.43 inches (1.09 cm), deployed: 1.56 inches (3.96 cm)
• Two adjustable sight widths: 0.06 inches (1.52 mm) and 0.04 inches (1.02 mm)
• Made in the USA

Product description updated on 12/13/2025.