Does anyone polish the barrel of their M2's ? And if so will it help in anyway?
			
			
			
				I don't think that I would recommend polishing a Benelli crio or any other chrome lined barrel.  
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				yes i believe they are chrome lined also. Probably would do more harm than good.
			
			
			
				I use a wet mop on a cordless drill with chrome polish on it for my chrome lined barrels. Let it dry out and run a dry mop on the cordless to remove polish.   Did not test to see if it improved patterns but it makes it much easier to keep clean!
during turkey season I just run a bore snake through after I kill a bird, shines like a mirror! 
			
			
			
				NO!.......It's chrome lined like all Benelli shotgun barrels. Maybe a chrome polish that it's about all you should use, you don't want to damage that chrome lined finish, I've shot Benelli's nearly 20 years now.
			
			
			
				No
			
			
			
				Agreed. If its a crio barrel you will ruin it.