Give your rifle a simple, high-impact upgrade with the Strike Industries Stamped Dust Cover for AR-15 (Black Steel)—a durable, reliable ejection port cover designed to help protect your action from dirt, sand, rain, and debris when the rifle isn’t actively firing. Built from steel with a black finish and measuring approximately 3.35", this dust cover is a smart replacement or upgrade for worn factory parts and a clean way to refresh the look of your upper receiver. Product identifiers: ARSUDC223 and UPC 793811766530.
If you’re searching for an AR-15 dust cover replacement, a Strike Industries ejection port cover, or ARSUDC223, this stamped steel cover delivers the dependable protection AR shooters rely on—while keeping your build sleek, functional, and ready for real-world conditions.
What an AR-15 Dust Cover Does—and Why It Matters
The AR-15’s ejection port is an open pathway into the action. When you’re on the range bench, walking through brush, riding in a vehicle, or storing your rifle, debris can find its way into the chamber area and create reliability problems. A properly functioning dust cover helps:
Keep dirt, dust, sand, and grit out of the action
Reduce exposure to rain, snow, and moisture
Protect internal components during transport and storage
Maintain reliability in field and training environments
Preserve the clean look of your upper receiver
It’s a small part, but it plays a big role in keeping your rifle running smoothly when conditions aren’t perfect.
Stamped Steel Construction: Proven Strength and Everyday Durability
This model features stamped steel construction, a time-tested approach for ejection port covers that emphasizes durability and impact resistance. Steel dust covers are popular because they:
Hold up well to normal wear and repeated use
Resist flexing and deformation under bumps and knocks
Maintain consistent closure and protection over time
Provide a sturdy, “factory-correct” feel on many builds
Whether you’re replacing a worn cover or building a new upper, a steel dust cover is a dependable choice for long-term use.
Black Finish: Clean, Low-Profile, Matches Most Builds
The black finish offers a classic AR look that pairs perfectly with most upper receivers and accessories. It’s ideal for:
Standard black rifle builds
Duty/training setups where low visibility matters
Matching black handguards, optics mounts, and controls
A clean, uniform aesthetic for modern rifles
If you want a dust cover that blends in and looks factory-installed, black is always the safest choice.
Great for Replacements, Repairs, and New Upper Builds
Dust covers are a common wear-and-tear part—especially on rifles that see frequent use or harsh environments. The Strike Industries stamped dust cover is ideal for:
Replacing a damaged or bent ejection port cover
Refreshing an older upper receiver
Completing a stripped upper build
Keeping a spare on hand for future maintenance
Upgrading basic parts while maintaining a clean, standard appearance
It’s a small component that can instantly make a rifle feel more complete and more “dialed in.”
3.35" Size: Designed for AR-15 Ejection Port Coverage
Listed at approximately 3.35", this dust cover is sized for standard AR-15 ejection port coverage. Proper sizing helps ensure:
Full coverage when closed
Reliable opening/closing behavior
Clean fit on compatible upper receivers
Better debris protection during storage and movement
When it comes to dust covers, correct fit is what ensures the cover actually does its job.
Why Strike Industries Parts Are Popular for AR Builds
Strike Industries is known for offering AR components that blend modern styling with practical function, making them popular among builders who want:
Reliable, well-made replacement parts
A clean look without unnecessary complexity
Components that are easy to integrate into common AR platforms
A balance between performance, value, and aesthetics
If you’re upgrading small parts across your rifle, Strike Industries components often fit right into that “functional upgrade” approach.
Product Details and SEO Search Terms (Easy Reference)
To help you find the exact item and list it accurately:
Brand: Strike Industries
Product Type: Stamped Dust Cover / Ejection Port Cover
Platform: AR-15 (.223/5.56 compatible uppers)
Material: Steel
Color/Finish: Black
Length (listed): 3.35"
Model / Part Number: ARSUDC223
UPC: 793811766530
Common searches: Strike Industries dust cover AR-15, ARSUDC223, 793811766530, AR15 ejection port cover black steel, stamped dust cover AR 223
A Simple, Essential AR Upgrade That Protects Reliability
If you want a rugged, no-nonsense ejection port cover that helps keep your rifle protected in real-world conditions, the Strike Industries Stamped Dust Cover AR-15 Black Steel 3.35" (ARSUDC223 / 793811766530) is an excellent choice. Whether you’re repairing an upper, finishing a new build, or refreshing a hard-used rifle, this stamped steel dust cover delivers the dependable protection and clean, factory-style look every AR owner appreciates.
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