After the MB-5 (link) AZmodel is to release at Telford 2017 a new tool 1/72nd Martin-Baker MB-6 kit - ref.
Sources:
http://www.britmodeller.com/forums/index.php?/topic/235010228-kpaz-central-discussion-questions-answers/&do=findComment&comment=2816940
http://www.britmodeller.com/forums/index.php?/topic/235010228-kpaz-central-discussion-questions-answers/&do=findComment&comment=2817373
V.P.