Yankee Hill has long been the supplier of caliber specific AR-15 upper receivers and now they have come up with a solution to help decrease the confusion. These caliber marked dust covers will allow you to quickly identify the caliber of your upper receiver preventing a situation from arising that could cause a catastrophic failure to your firearm. This dust cover is a must own accessory for anyone who has multiple AR-15 upper assemblies.

Features and Specifications:
Manufacturer Number: YHM-111-9
Yankee Hill Machine AR-15 Dust Cover
Caliber marked 9mm Luger
Includes dust cover, rod, retaining clip and spring
Matte Black