Vapex 7.4V 1300mAh 25C LIPO Battery - Small Stick (Tamiya Connector) Voltage_9.6V Full metal construction aside from

Full metal construction aside from the feed lips and baseplate

additional magazines available here

It ships with a great looking 70rd magazine with dummy rounds visible through the semi-transparent casing

it is now CNC'd steel

Vapex 7.4V 1300mAh 25C LIPO Battery - Small Stick (Tamiya Connector) Voltage_9.6V Full metal construction aside fromA high quality 7. 4V 25C LIPO battery from Vapex which comes in a handy storage box. 1300mAh rating for long lasting power. Only 102mm x 19. 5mm x 13. 2mm in a small stick formation, allowing fitment into virtually any AEG, including M4 stock tubes. Because it's so compact, you can fully close any retractable stock whilst installed. Can also fit in most other locations like in handguards, battery boxes etc. Fitted with a standard small female Tamiya