Polymer Ejection Port Dust Cover for AR15/M16/M4 – .223/5.56mm

he IMI Defense™ Polymer Ejection Port Cover is a lightweight, durable replacement ejection port cover designed for AR15, M16, and M4 platforms chambered in .223/5.56mm.

Manufactured from a high-strength polymer compound, the cover helps protect the rifle's ejection port from dust, dirt, debris, and environmental exposure while maintaining a lightweight profile. Its polymer construction provides a durable alternative to traditional metal ejection port covers.

Designed for straightforward installation, the IMI Defense™ Polymer Ejection Port Cover requires no permanent modification to the firearm and provides smooth opening and closing during normal operation.

Features & Benefits:

• Designed for AR15, M16, and M4 platforms
• Compatible with .223 Remington / 5.56 NATO configurations
• High-strength polymer construction
• Lightweight alternative to traditional metal ejection port covers
• Helps protect the ejection port from dust, dirt, debris, and the elements
• Smooth opening and closing operation
• Straightforward installation
• No permanent firearm modification required
• Low-profile, streamlined design
• Durable construction for demanding use
• Metal hardware not included

Compatibility:

• AR-15
• M16
• M4
• .223 Remington / 5.56 NATO configurations

Note: This product includes the polymer ejection port cover only. Metal components/hardware are not included.