Airsoft BB gun skirmish battles - any experience of these?

[florapup]

My 16 year old has friends who get together on private woodland to take part in what they call 'skirmishes' - a bit like paintballing battles but using brightly coloured airsoft BB guns with coloured plastic pellets. My son would like to join them but I am very very wary !
Does anyone have experience of this?

Thank-you

[inthesticks]

My DS has been to an organised airsoft game but they were in an arena and strictly marshalled with full safety gear, much like paintballing.
I would be very wary of a bunch of unsupervised testosterone fueled 16 year olds playing in the woods.

[mumblechum1]

DS occasionally goes to an organised skirmish and loves it. IT'S quite expensive though, he's spent hundreds on all the guns and gear plus £25 a day.

They have to wear full face masks and he has a helmet as well, so I'm not concerned about safety