BERETTA 1301 CANADIAN LEGAL MAGAZINE EXTENSION - AVAILABLE IN BLACK AND ODGBeretta 1301 Magazine Extension, +1 Available in Black and ODG Two versions are available: Canadian Legal +1 and Export Only +2. Both look and install the same. The Canadian version is internally limited to comply with regulations, which is why it costs more. Orders for the +2 version to a Canadian address will not ship. Canadian law limits semi automatic shotguns to 5 rounds of the largest shell size (3"). Since the Beretta 1301 accepts 2 3 4" and 3"