At the Airsoft Store in Russia is the CYMA CM040H MOD AEG which is based on the AKS-74UN. This has a 20mm CW 74U Flash Hider with a 14mm CCW to 20mm CW Adapter and a 74U front set with RAS Hand guard. The metal receiver has side rail mount and an M4 MOD type Rear Stock. It can accept a 9.6V AK stick type battey or 7.4V Lipo Battery in the upper part of the receiver.