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Fortis Manufacturing
Overview
The Fortis Billet Dust Cover in Gray is a precision-engineered component designed to enhance the functionality and aesthetics of your AR-15. Constructed from billet aluminum, this dust cover offers a robust and secure fit while effectively shielding the internal components from debris and contaminants. It's a popular choice among builders focusing on pistol configurations, particularly those chambered in 300 Blackout.
Fortis Billet Dust Cover - Carbon Fiber - Grey
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Builders on GunPartPicker first added the Fortis Billet Dust Cover - Carbon Fiber - Grey to a build in March 2026.
It was hard to find in August 2026, in stock on only 2 of the 23 days we checked, and today only Primary Arms has it in stock. Prices barely moved in August 2026, holding around $28.45, so there haven't been real sales lately. Buying today, the lowest price is $28.45 at Primary Arms, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every dust cover by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Dust Cover Guide →The part most often added in each category by the 4 builds that include this one

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Builds in the community that include the Fortis Billet Dust Cover - Carbon Fiber - Grey
| Build | Parts | Total |
|---|---|---|
![]() | 19 | $2914.54 |
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