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Magpul
Overview
The Magpul MBUS Front Flip Up Iron Sight in FDE is a folding sight designed for quick deployment and reliable performance. Made from durable polymer, this front sight is lightweight yet sturdy, making it a practical choice for builders looking to optimize their setups. It is commonly found on builds featuring a mid-length gas system in 5.56 NATO caliber, providing a solid aiming solution for a variety of shooting situations.
Specifications
Magpul MBUS AR-15 Iron Sight Front Flip Up, FDE - MAG247-FDE
Available Merchants(9)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have added the Magpul MBUS AR-15 Iron Sight Front Flip Up, FDE - MAG247-FDE to their builds on GunPartPicker. Since April 2026, it ranks #42 of the 170 iron sights builders have added. Builds with this iron sight are mostly chambered in 5.56 NATO (81%, then .223 Wylde 10%), mostly on mid-length gas (72%, then carbine-length 22%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 7 of the 9 retailers we track have it in stock. It dipped to $24.99 at KY Gun Company for a stretch in October 2026, well under its usual $37.95, so sales do come around. Buying today, the lowest price is $24.99 at KY Gun Company, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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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.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Magpul MBUS AR-15 Iron Sight Front Flip Up, FDE - MAG247-FDE
| Build | Parts | Total |
|---|---|---|
 | 23 | $2430.96 |
 | 22 | $1757.22 |
 | 30 | $4093.02 |
| 29 | $3853.05 |
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