FJJ WFP takes the E&L T191 Airsoft HPA/CO2 GBB Rifle apart and puts it back together to help other owners do their maintenance and repairs. This release is celebrating 10 years of airsoft by E&L with the E&L ELT191/QBZ-191 Anniversary Limited Edition This airsoft gun allows you to switch between HPA and CO2 power sources for maximum performance and efficiency.