Experience precision and versatility with the Umarex AER16 Electric Airgun. This .177 caliber airgun offers both semiautomatic and fully automatic firing modes powered by a robust 11.1V tri-panel LiPo battery. With a high-capacity 650-round reservoir it ensures extended shooting sessions. The AER16 features an adjustable stock for personalized comfort an M-LOK compatible handguard and integrated flip-up iron sights. Additionally the full-length Picatinny top rail allows for easy accessory customization making it a top choice for enthusiasts seeking performance and adaptability in an airgun.