Yankee Hill Machine Caliber Engraved AR-15 Ejection Port Cover Assembly 300 BLK Aluminum Black

Yankee Hill Machine Ejection Port Covers are laser engraved on the inside of the dust cover. These lightweight aluminum covers help make your AR-15 stand out at the range. These caliber marked dust covers are perfect for those who may end up changing the caliber of their top end/upper receiver. Includes:SpringEjection Port RodEjection Port Rod C-ClipCaliber Marked Dust Cover