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Magpul
Overview
The Magpul MBUS Gen 3 Folding Front Sight - Black is a front sight. Compare prices from multiple merchants and find the best deal.
Prices checked
Magpul MBUS Gen 3 Folding Front Sight - Black was the third most added front sight on GunPartPicker in October 2026, behind the Magpul .432" Flip-Up MBUS PRO Back-Up Front Sight Steel Black, with about 18% of all front sights added to builds. Up from #4 in September. Builds with this front sight are mostly chambered in 5.56 NATO (93%), mostly on mid-length gas (84%, then carbine-length 14%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in October 2026, and today the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $37.95, so there haven't been real sales lately. Buying today, the lowest price is $37.95 at Dirty Bird Industries, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every front sight by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Front Sight Guide →The part most often added in each category by hundreds of builds that include this one

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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Magpul MBUS Gen 3 Folding Front Sight - Black
| Build | Parts | Total |
|---|---|---|
| meta? | 24 | $2333.84 |
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