Magpul MBUS Front Sight Gen II — Gray, Picatinny Fit

The Magpul MBUS (Magpul Back-Up Sight) Front Sight Generation II is a compact, polymer folding front sight designed for use on MIL-STD-1913 Picatinny/STANAG 4694 railed hand guards and tailored for AR-15/M16 platforms. It features a spring-loaded flip-up mechanism with detent retention for reliable deployment and unobstructed folding when stowed. The sight provides standard A2 height-over-bore geometry and includes an elevation adjustment tool.

Key Specifications

• The product type is a Front sight.
• The style is a Folding Back Up Sight with a spring-loaded flip-up mechanism.
• The frame material is Polymer designed for impact resistance and light weight.
• The frame color is Gray (stealth gray finish).
• The sight is built to fit AR-15 platforms and is tailored for AR-15/M16 use.
• The base configuration clamps to MIL-STD-1913 Picatinny rails.
• Elevation adjustment is listed as 1.60 MOA per click; the manufacturer also notes 1.6 MOA per click with a 14.5″ sight radius and 1.2 MOA per click with a 20.0″ sight radius.
• The sight provides the same height-over-bore as standard A2 front sights.
• This model is Made in the USA.

The MBUS Front Sight Gen II offers a low-profile, durable solution for users who need a dependable iron sight that complements modern optics. Its folding design and protective wings help shield the front sight post while preserving a clear sight plane when folded. Practical for defensive carry setups, training, or as a rugged back-up to electronic optics, this sight brings proven functionality and straightforward compatibility to Picatinny-equipped AR platforms.