Magpul MBUS 3 Front Sight ODG — Flip-Up Polymer

Description

The Magpul MBUS 3 Front Sight is a compact flip-up polymer front sight designed as a back-up for AR-platform rifles. It combines features from Magpul’s original MBUS and MBUS Pro lines in a smaller, impact-resistant polymer housing. The sight deploys to standard AR-height and offers tool-less elevation adjustment and a dual-width enhanced front post for versatile sighting options.

Key Specifications

• The manufacturer is Magpul Industries.
• The model is the MBUS 3 front sight.
• The construction uses impact-resistant polymer for a lightweight, durable profile.
• The finish/color is Olive Drab Green (ODG).
• The mounting interface is a Picatinny rail.
• It is designed to fit AR-10/AR-15/M-4/M16/M110/SR-25 platform configurations as listed by the manufacturer.
• Elevation adjustment is listed as 1 MOA / 0.7 MOA (manufacturer-provided specification).
• Deployment uses a spring-loaded, ambidextrous push-button for rapid deployment.
• The front post is a dual-width enhanced design similar to the MBUS Pro.
• The sight is not compatible with railed gas blocks or Magpul MOE hand guards and must be mounted to a railed fore-end on the same plane as the receiver rail.

With a low profile and proven deployment system, the MBUS 3 front sight provides a dependable back-up iron sight solution for service rifles, competition rigs, and precision setups that need rugged, lightweight hardware. Its tool-less elevation adjustment and Picatinny mounting make it a practical choice for shooters who want a compact, reliable front sight that integrates cleanly with AR-platform accessories.