M
mr_NaimElmwould buy again
Reviewed on May 4, 2026Verified with Build
fits my mount clean
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Magpul .432" Flip-Up Mbus Pro Back-Up Front Sight Steel Black
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Magpul
Overview
The Magpul .432" Flip-Up MBUS Pro Back-Up Front Sight is designed to provide a durable and reliable sighting option that can be easily deployed when needed. Constructed from steel, this front sight features a low-profile design that minimizes snagging and is specifically engineered for quick, tool-free adjustments. With a height of 0.432 inches, it integrates seamlessly with various optics setups, making it a solid choice for builds featuring a mid-length gas system in 5.56 NATO caliber.
Specifications
MPNMAG275-BLK
StyleFlip-Up
MaterialSteel
Height0.432
ColorBlack
Frequently Built With
Based on build data
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
85.7%
AR-1585.7%
AR-914.3%
CaliberBased on real build data showing which calibers builders choose alongside this product.
83.3%
5.56 NATO83.3%
.223 Remington16.7%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
100%
Mid-Length100%
| Product | Category | Times Built Together |
|---|---|---|
| Magpul Mbus Pro Rear Sight - Black | 23 | |
| Bravo Company M16 Bolt Carrier Group Black | 13 | |
| B5 Systems Trigger Guard ATG-001-01 | 11 | |
| B5 Systems Type 22 P-Grip - Black | 9 | |
| Magpul Ar-15 Flip-Up Mbus Pro Magpul Back-Up Rear Sight Black | 9 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 8 |
| Platform | Percentage |
|---|---|
| AR-15 | 85.7% |
| AR-9 | 14.3% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 83.3% |
| .223 Remington | 16.7% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 100% |
Builds Featuring This Part
See all 5 →Builds in the community that include the Magpul .432" Flip-Up Mbus Pro Back-Up Front Sight Steel Black
| Build | Parts | Total |
|---|---|---|
 | 21 | $2790.09 |
 | 11 | $5428.92 |
 | 37 | $18646.69 |
 | 28 | $3313.37 |
 | 20 | $3181.61 |
Customer reviews
5.0out of 5
2 global ratings
Top reviews
P
PatchMe556MBUS Pro front no battery
Reviewed on March 11, 2026Verified with Build
Magpul MBUS Pro .432 front sight is steel construction that doesnt need a battery to work. The fixed front concept is faster to deploy than flip ups. Folds completely flat. Sight post adjusts with standard A2 tools. Quality backup sight.
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