Instead of seeking out a 2" gun, why not a lite weight 2 1/2" gun that you could shoot 7/8 , 1 oz. loads from. I chose to use a 5 lb. 12 oz. Churchill 12ga. chambered for 2 1/2" shells, which would be more available than the 2' ones. CZ, you have handled mine and I'm sure you would agree.
Karl

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