Realized this should be in the other shotgun section sorry


Brand new Benelli M4 purchased yesterday wondering if anyone knows or has seen this before on the Benelli? This is the recoil link behind the bolt, it’s some sort of very hard residue it will not come off not sure if it’s some sort of corrosion not sure, I have not fired the shotgun yet.


Brand new Benelli M4 purchased yesterday wondering if anyone knows or has seen this before on the Benelli? This is the recoil link behind the bolt, it’s some sort of very hard residue it will not come off not sure if it’s some sort of corrosion not sure, I have not fired the shotgun yet.
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