Guns Workshop in HK offers several custom-made AKs.

One is the AKM shorty AEG based on the Tokyo Marui AK47S.



Another is the AK47S AEG based on the Tokyo Marui AK47S



both feature
-- metal receiver
-- custom steel folding stock
-- custom AK74 style motor grip
-- AKM Bakelite foreguard
-- one-piece steel shorty barrel
-- bundled custom made 450rd BB magazine for the AKM
-- bundled 1,300rd waffled magazine for the AKS
(custom mags not sold as separate items)

here is a photo of their custom AK product line



each one is made-to-order. you have to fill up an order form posted at their site. e-mail them for inquiries.

source: GUNS WORKSHOP