YHM caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver. Assemblies Include the following: Caliber Marked Dust Cover, Rod and Retaining Clip, Spring.
| UPC | 816701017687 |
|---|---|
| Manufacturer | Yankee Hill Machine |
| Manufacturer Part Number | YHM-111-556 |
| Length | 4.9000 |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Product Type |
