The barrel is 16" long or 415mm and the overall length when folded is 710mm. This exceeds the legal minimum of a 12" or 30cm barrel and minimum overall lenght of 60cm or 600mm .
If you check out this web page http://www.rusmilitary.com/html/firearms_ak101.htm you will see the guy who sells them new. An equivalent gun new would be nearly £1000 if you included the folding metal buttstock, the Tapco furniture and the extra magazines.