If you just bought the gun there is really no need to buy new internal parts.
No, you do not need a licence for airsoft guns in the US.
yes, you can and need a license to own an airsoft gun in nyc.
You never need a license to have an Airsoft gun.
You do not need licenses for airsoft guns, as they are not firearms.
No
tell him you need a airsoft gun because you are joining the army next year and you need the practice
If you were an Engineer for a company that would be the closest thing. Airsoft guns generally don't need testing, like actual firearms, and any testing would be done in the company, not publicly.
No, I dont think you would need to have a licence for buying a airsoft gun but it may vary in what state you live in. I buy all my airsoft guns from budk.com
Unless it is electric.
yes
Yes. All you need to do is take disassemble your airsoft, take out the spring, and buy a newer, better one. I reccomend all airsoft at Evike.com.
No. Most people only wear vests to hold magazines and accessories they may need while playing airsoft. Other airsoft-junkies wear them to make airsoft more realistic to war.