I mixed up SCC-1A Dark Brown and SCC-4 Dull Medium Earth using Mike Starmers chart.
http://www.mafva.net/other%20pages/starmer%20camo.htm
These were built for the home guard during the blitz(10 or 12 built)but they never fired a shot so I wouldn't think they got the well used combat look????????
They'll need at least a little though.
Tony lee