Highlander Airsoft checks out the A&K PKM Echtholz (real wood) version AEG. This AEG is mainly made of metal with the stock and pistol grip made of real wood. The bipod, magazine holder, carrying handle and housing made of steel and the barrel can be changed like the original. The gearbox has microswitch, steel gears, metal spring guide with ball bearings and ball bearing bushings and compatible with version 2 tuning.