Description

Double bell AKS74U AEG (Polymer Body/Metal Gearbox – Blue – BYP-01B)
For spare battery you need long stick type , Link
https://www.bespokeairsoft.co.uk/duel-code-7-4v-1400-mah-25c-lipo-battery-15x18x171mm-stick
https://www.bespokeairsoft.co.uk/big-foot-heat-nimh-battery-1600-mah-2-3a-8-4v-stick