Yes. If you keep firing your gun without any lubrication, the O rings will eventually wear down and your gun will leak or cease to function.
No, paintballs are biodegradable.
any .68 caliber will work, really though go to a paintball shop, anything from a store that is not paintball specific will be pretty bad paint that has been sitting there for months
No, it is a decent marker with quality parts.
It would be a good idea, i do after a bad experience.
In general you can expect a paintball to sting (comparative to a thick rubber band snap to the back of the neck, but wherever you are hit), as they're normally shot at around 300 ft/ sec. Without clothes, paintballs will generally leave a welt.
fire service is a fire burning bad
extra cost all Delta forces guns are really bad
Fire,. It's bad.
No, besides being expensive, the X7 has a very high rate of fire, two things that are very bad for new players. This will take a lot of money to run as a starter marker, which is the main causes of people stopping playing.
Generally it is bad to leave batteries in anything battery operated for long periods of time. I have ruined more than one useful thing because I left batteries in until they started to corrode. In the case of paintball guns, leaving batteries in is essentially the same as leaving a low grade weapon around for anyone to use or misuse. You can do damage with an improperly handled paintball gun.
The tree catches fire and it dies.