Magpul MBUS PRO AR-15 Iron Sight Front Flip Up - MAG275
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Magpul
Overview
The Magpul MBUS Pro Front Flip Up Iron Sight is a robust, steel construction sight designed to provide a reliable aiming solution while maintaining a low profile when not in use. Its folding design allows it to be flipped up quickly for use, making it a practical choice for builders looking for versatility in their sighting systems. This sight is commonly found in builds featuring a mid-length gas system chambered in 5.56 NATO, ensuring optimal performance and reliability in various shooting scenarios.
Specifications
August 2026 on GunPartPicker
Magpul MBUS PRO AR-15 Iron Sight Front Flip Up - MAG275 ranked #15 of the 74 iron sights builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it is the ninth most added iron sight on the site. Builds with this iron sight are mostly chambered in 5.56 NATO (80%, then .223 Wylde 20%), nearly all on mid-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 6 of the 7 retailers we track have it in stock. The best price crept up from $69.99 to $99.70 over August 2026. Buying today, the lowest price is $90.95 at CMMG, above August's low of $69.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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We ranked every iron sights by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Iron Sights Guide →Frequently Built With
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Builds Featuring This Part
See all 2 →Builds in the community that include the Magpul MBUS Pro AR-15 Iron Sight Front Flip Up - MAG275
| Build | Parts | Total |
|---|---|---|
 | 22 | $2444.80 |
 | 14 | $1161.91 |
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