Yankee Hill Machine Co Dust Cover Assembly – 9mm AR-15

This Yankee Hill Machine Co dust cover assembly is designed specifically for 9mm AR-15 builds. The dust cover protects the upper receiver's ejection port from dirt, debris, and moisture when the rifle is not in use or during transport. This factory replacement part ensures proper fit and function for 9mm carbine configurations.

Constructed from mil-spec materials with a durable black finish. Installation is straightforward for anyone familiar with AR-15 maintenance—requires basic tools and no gunsmithing. Includes dust cover door, rod, C-clip, and spring for complete assembly.

• Part Type: Dust Cover Assembly
• Compatible Firearms: 9mm AR-15 Upper Receivers
• Material: Mil-Spec Steel
• Finish: Black
• Installation: Drop-In
• Includes: Dust Cover Door, Rod, C-Clip, Spring