Airsoft Czech gives his take on the Specna Arms SA- J71 CORE AEG. Made of durable polymer reinforced with nylon fiber, it is part of the affordable line of AEGs from Specna Arms and features the ESA Quick Spring Change System... "Hello friends, today we are going to review a new product from Specna Arms, it is the J71 model, i.e. the AK74 replica with a folding full stock. Actionshop lent me the weapon. Everything I say in the video is completely honest."