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Magpul
Overview
The Magpul MBUS AR-15 Iron Sight Gen 2 Rear Flip Up in Gray offers a reliable folding rear sight option for your AR-15 build. Constructed from durable polymer, this sight is designed to be lightweight while providing a robust aiming solution without illumination. Its folding feature allows for easy storage and deployment, making it a practical choice for builds commonly featuring a mid-length gas system and chambered in 5.56 NATO.
Specifications
Available Merchants(6)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the Magpul MBUS AR-15 Iron Sight Gen 2 Rear Flip Up, Gray to a build in February 2026.
It was in stock most days in September 2026, and today 5 of the 6 retailers we track have it in stock. The best price crept up from $41.40 to $48.99 over September 2026. Buying today, the lowest price is $41.40 at KY Gun Company, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which iron sights to pick?
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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