Ensure reliable protection for your AR-15 upper receiver with the Battle Arms AR-15 Complete Ejection Port Cover Door Assembly. This precision-engineered kit provides everything needed to replace or upgrade the ejection port cover, keeping debris, dust, and moisture away from the chamber while maintaining smooth operation during use.
Key Features
- Complete Assembly Included: Comes with the ejection port door, hinge pin, spring, and C-clip for a hassle-free installation without sourcing individual parts.
- Mil-Spec Dimensions: Designed to exacting standards for compatibility with standard AR-15, M16, and M4 upper receivers, ensuring a precise fit and reliable function.
- Durable Construction: Built from high-quality materials to withstand repeated use and environmental exposure in tactical and range environments.
- Easy Replacement: Ideal for restoring functionality to worn or damaged covers, addressing common issues like lost springs or broken clips.
Specifications
- Compatibility: AR-15/M16/M4 platforms
- Includes: Door, pin, spring, and C-clip
- Weight: 4
- SKU: 11064
Benefits for Shooters
A functional ejection port cover prevents malfunctions caused by foreign material entering the action, enhancing reliability in dusty, wet, or high-volume shooting conditions. The included spring ensures the door stays securely closed until needed and opens smoothly upon firing. By providing all components in one package, this assembly saves time and frustration during builds or maintenance, allowing focus on performance rather than parts hunting.
Whether you’re assembling a new rifle, performing upgrades, or replacing worn components, this kit delivers consistent results with minimal effort. Its straightforward design supports quick field repairs or custom builds.
Installation Overview
Installation typically involves positioning the upper receiver, inserting the pin through the cover and spring, then securing with the C-clip. Refer to manufacturer guidelines or professional gunsmithing resources for detailed steps.
Upgrade your AR-15’s protection and reliability today with this complete, ready-to-install ejection port cover assembly from Battle Arms.








