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
Magpul Mbus Pro Rear Sight - Black
Radian Weapons Talon Ambidextrous Safety Selector 2-Lever Kit - Radian Grey
Bravo Company M16 Bolt Carrier Group Black
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
B5 Systems Trigger Guard ATG-001-01
Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension
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 | 15 | |
| Radian Weapons Talon Ambidextrous Safety Selector 2-Lever Kit - Radian Grey | 7 | |
| Bravo Company M16 Bolt Carrier Group Black | 7 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 7 | |
| B5 Systems Trigger Guard ATG-001-01 | 6 | |
| Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension | 5 |
| 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 | $2934.28 |
 | 11 | $5071.34 |
 | 37 | $18516.43 |
 | 28 | $3274.39 |
 | 20 | $3493.67 |
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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