Yankee Hill Machine Co Dust Cover 300 Blackout for AR Rifles, Black - YHM-111-300
Yankee Hill Machine Co Dust Cover 300 Blackout for AR Rifles, Black - YHM-111-300, 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.
Features:
Caliber marked dust cover
Rod and retaining clip
Spring