© Primary ArmsHRF Concepts 5.56 Marked Dust Cover - Open Box
- Brand
- HRF Concepts
- Category
- Gun Parts
- Platform
- AR-15
- Gun Part Type
- Upper Receiver
- MPN
- HRFAR15DC556OB
Overview
The HRF Concepts 5.56-marked dust cover is a caliber-specific ejection port cover designed for standard AR-15 upper receivers. Featuring a permanent, deep laser-engraved "5.56" marking, it provides multi-caliber AR owners with a quick visual check before loading, preventing confusion when swapping between uppers on a shared lower receiver. The installation follows standard factory procedures and includes all necessary mounting hardware in the box, including the rod, retaining clip, and spring.
Price & Stock History
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