Another APS M4 electric blowback which you can find at Airsoft Panda. This 10.5inch FF RAS AEG sports the Fire Pig muzzle, flip-up front and rear sights, and comes with the APS markings on the metal body. For US$209, you also get a quick release sling swivel, TDI style arms vertical ergonomical grip and a high capacity magazine.  Battery seems not to be included looking at the photo below.