


Click to see full view
FN America
Overview
The FN America Ejection Port Cover Door is a robust component designed to protect the ejection port of your AR-15 from debris and contaminants. Made from steel and finished in black, it ensures durability while maintaining a sleek appearance. This ejection port cover is commonly found in builds featuring a carbine gas system chambered in 5.56 NATO, making it a practical choice for those looking to enhance their rifle's functionality and reliability.
FN America Ejection Port Cover Door ranked #31 of the 55 dust covers builders added on GunPartPicker in August 2026. Builders on GunPartPicker first added it to a build in April 2026.
Today the one retailer we track is out of stock. Listed prices start at $849.99 at Sportsmans Outdoor Superstore for when it comes back.
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 3 builds that include this one

Geissele Super AR-15 Gas Block .750 Low Profile

Daniel Defense Stainless Steel Gas Tube - Mid-Length

Stag Arms AR-15 Mil-Spec Bolt Carrier Group 5.56mm Left Hand

FN America Charging Handle Assembly

Yankee Hill Machine Co. AR-15 16.5" Threaded Fluted Barrel 1-8 Twist

Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15
Builds in the community that include the Fn America Ejection Port Cover Door
| Build | Parts | Total |
|---|---|---|
![]() | 24 | $4009.93 |
No reviews yet. Be the first to review this product!