The CMMG Polymer Ejection Port Cover Kit (brand part no. 55BA6C8) is a replacement ejection port dust cover molded from polymer, keeping debris out of the ejection port when the bolt is closed.

Key Specifications

• Molded from polymer
• Replaces the factory ejection port cover to keep debris out of the action
• Sold as a complete Kit with mounting hardware
• Polymer construction keeps the cover lightweight versus a stamped-steel factory part

Frequently Asked Questions

What does an ejection port cover do? It closes over the ejection port to keep dirt and debris out of the action when the bolt is forward.

Is mounting hardware included? Yes, this is sold as a complete kit.

Buy the CMMG Polymer Ejection Port Cover Kit

Order the CMMG Polymer Ejection Port Cover Kit from our catalog, or browse more AR dust covers at Schaefer Defense. Ships fast from our Lubbock, Texas gun shop.