The ZRO Delta Modulus Dust Cover Duty is an AR-pattern dust cover replacement designed to help keep debris out of the upper receiver when the firearm is not in use, while remaining sized and shaped for reliable cycling with the bolt carrier group.
Key Features
Replacement dust cover for AR-pattern upper receiver applications
Helps protect the receiver interior from dust, dirt, and debris
Duty-oriented build for everyday reliability and durability
If you’re refreshing your rifle’s upper configuration, this ZRO Delta Modulus Dust Cover Duty is a straightforward, functional replacement.
