Umarex Heckler & Koch HK 416 A5 ERG KWA AEG Electric 6mm Airsoft Rifle BB. Hit hard with the HK416 A5 ERG AEG airsoft gun. The Electric Recoil Gun (ERG) platform provides you with a more realistic airsoft experience in one of the most iconic Heckler & Koch platforms, the 416 A5. 20 gram BBs at 390 FPS and is equipped with an adjustable hop-up, flip-up iron sights, full length top Picatinny rail, and Mid-Cap magazine. The Elite Force HK 416 A5 ERG takes Deans Connector LiPo batteries (not included) and can be shot in either semi-auto or full-auto modes. In full-auto, this airsoft gun has a 1200 round cyclic rate and comes with a mid-cap, 30/120 round magazine. This AEG airsoft rifle shoots. This full auto airsoft gun takes Deans Connector LiPo batteries (not included) and can be shot in either semi-auto or full-auto modes. In full-auto, this airsoft gun has a 1200 round cyclic rate. Comes with a mid-cap, 30/120 round magazine; Compatible spare magazine part number: 2262065. If the wrong contact details are provided any losses incurred as a result will be the buyers responsibility.