The Colt AR15A4 Cover Spring is a genuine replacement component designed to keep your AR-15 ejection port cover operating smoothly and reliably. Built to Colt specifications, this compact torsion spring provides the tension needed for consistent opening and closing of the dust cover on AR-15 pattern rifles.

This small but essential part is ideal for refreshing a well-used rifle, completing a new build, or keeping on hand as a spare in your parts kit. By restoring proper function to the ejection port cover, it helps protect the action from debris during storage and range use. Shooters who value dependable performance and factory-correct parts will appreciate Colt’s attention to detail and long-standing reputation for quality manufacturing.

• Manufacturer: Colt
• Model: AR15A4 Cover Spring
• Make Model Fit: AR-15, Universal
• Caliber: 5.56x45mm NATO
• Material: Steel