I believe they are BYO. Which is good, because a field would probably charge more than they're worth. lol. I know anytime I have ever used them, I just took mine out there and nothing was said about using then.
Co-Captain and Founding Member
The Solution Sniper Scenario Paintball Team
"Sniping's a good job, mate! It's challenging work, out-of-doors... I guarantee you'll not go hungry, 'cause at the end of the day, as long as there are two people left on the planet, someone is gonna want someone dead."