Cheap Eagle Metal Core Scooter Wheels Co2 Hangun Suggestions?

Co2 hangun suggestions? - cheap eagle metal core scooter wheels

Ive been looking for a high level of CO2 very good weapon is a very nice long life, no gun airsoft cheap, but I like a full metal gun FPS high CO2 wonder if anyone has suggestions about what could be done. I am ready, to $ 80, but it would be nice if I have something around 50 years, and I want the gun to look cool on a Desert Eagle or something