Originally Posted by
winnipeg toymaker
I have not seen a No.4 converted to .410. but I do have a No.1 Mark III* that was converted to 2 1/2 - .410. One like it was carried by my Great Uncle when he guarded an Internment Camp in Alta. He bought it, when he was no longer required, for $11.00 so he told me.
this gun does not have the filled mag but still has the spring and carrier. and is marked (electric pencilled) on the stock band " .410- 2 1/2 " and stamped .410 on the top of the action and the barrel. How many or when it was converted, I have no idea, nor does the Military Museum in England.