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YHM has long been a supplier of Caliber Marked upper receivers, but we soon asked oursleves "What if we want to change the caliber of that upper receiver?" For this reason, we now offer 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
YHM has long been a supplier of Caliber Marked upper receivers, but we soon asked oursleves "What if we want to change the caliber of that upper receiver?" For this reason, we now offer 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
