Magpul MBUS 3 Front Iron Sight – OD Green
Magpul Industries
$37.95
(No reviews yet)
Write a Review
Magpul Industries
Magpul MBUS 3 Front Iron Sight – OD Green
The Magpul MBUS 3 Front Sight in Olive Drab Green is the next generation of Magpul's legendary Back-Up Sight system, combining the lightweight durability of the original MBUS with the refined aesthetics and precision of the MBUS Pro into one compact, feature-packed package.
- Ultra-low profile at just 0.44" tall when folded for unobstructed optic use
- Impact-resistant polymer construction delivers lightweight, rugged durability
- Ambidextrous spring-loaded push-button deploys the sight quickly and reliably
- Sits at standard AR height when deployed for consistent sight picture
- Tool-less elevation adjustment makes field tuning fast and hassle-free
- Dual-width enhanced front sight post improves target acquisition in any light
Who This Is For
The MBUS 3 Front Sight is ideal for AR-15 and MSR platform shooters who run a primary optic but want a reliable, low-profile back-up iron sight ready at a moment's notice. Whether you're a competitive shooter, a serious home defender, or a tactical enthusiast, the MBUS 3 delivers professional-grade redundancy without adding bulk or weight to your build. The Olive Drab Green finish makes it a natural choice for anyone running an ODG or earth-tone rifle setup.
Specifications
| Brand | Magpul Industries |
|---|---|
| Model | MBUS 3 Front Sight |
| Color | Olive Drab Green (ODG) |
| Material | Impact-Resistant Polymer |
| Folded Height | 0.44" |
| Width (Folded) | 1.15" |
| Deployed Height | Standard AR Height |
| Deployment | Ambidextrous Spring-Loaded Push-Button |
| Elevation Adjustment | Tool-Less |
| Compatible Platforms | AR-15 / MSR Picatinny Rail |
| Sight Type | Dual-Width Enhanced Front Post |
Frequently Asked Questions
Is the MBUS 3 Front Sight compatible with my AR-15 or other Picatinny-railed rifle?
Yes. The Magpul MBUS 3 Front Sight is designed to mount on any standard MIL-SPEC Picatinny (1913) rail, making it compatible with AR-15s, AR-10s, and other modern sporting rifles that feature a full-length or gas-block-mounted Picatinny rail section. It deploys to standard AR front sight height, ensuring proper co-witnessing when paired with a compatible rear sight.
Can I use the MBUS 3 Front Sight alongside a magnified optic or red dot?
Absolutely. The MBUS 3 is specifically designed as a back-up iron sight (BUIS) to complement primary optics. Its ultra-low folded profile of just 0.44" keeps it out of the way of your optic's field of view when not needed. When deployed, it co-witnesses at standard AR height with many red dot sights. For use with magnified scopes, you may need to confirm sight height compatibility with your specific optic mount.
How does the MBUS 3 differ from the original MBUS and the MBUS Pro?
The MBUS 3 is the evolution of both lines. Compared to the original MBUS, it is significantly more compact — 0.44" tall folded versus the taller original — and features an improved dual-width front post similar to the MBUS Pro. Unlike the MBUS Pro, which uses an aluminum construction, the MBUS 3 uses Magpul's high-strength polymer, keeping weight and cost lower while maintaining excellent durability. It effectively blends the best attributes of both previous generations into a single refined sight.
