The Battle Arms Development Bad Laser Engraved Dust Cover 556 is a caliber-marked ejection port cover designed specifically for AR15 and M16 rifles chambered in 5.56 Nato. Featuring crisp laser engraving that clearly displays “5.56 Nato” when the cover is open, it replaces the standard door to provide quick visual confirmation of your rifle’s chambering while maintaining reliable protection for the action.

This dust cover is a straightforward upgrade for range rifles and training carbines where clear caliber identification matters, especially on platforms with multiple uppers. Its matte black finish keeps the look subdued while the engraving adds just enough contrast to be easily readable without being flashy. Built to integrate with standard AR15/M16 upper receivers, it installs in place of the factory cover using existing hardware, reflecting Battle Arms Development’s focus on practical, shooter-friendly enhancements.

Key Features:

• Manufacturer: Battle Arms Development
• Model: Bad Laser Engraved Dust Cover 556
• Caliber: 5.56 Nato
• Type: Dust Cover
• Compatibility: Fits AR15/M16 upper receivers
• Feature: Laser engraved caliber marking on dust cover