Attach it and turn it on.
At airsoft fields, or in backyards.
Yes, they have a wide selection, even an M16 airsoft with; laser light, hand grip, and goggles. All for $30!
Yes, I believe they do. They use systema airsoft guns, which are the best you can get. The marines used to train with paintball guns several years ago, but they switched to airsoft because airsoft is more realistic.
you can not use metal bbs in airsoft guns at all. they are not compatible because they are both built differently.
yes. I love airsoft guns and have studied them for a little over five years and when i watch movie i can tell when they are airsoft and when they are real.
It's usually uses by the players who are playing airsoft.
Laser speed guns use lasers by Doppler shift measurement.
Yes
it all depends on where you play at if outside it has to be darker if inside they work very well i have one on my g36c
Yes there are two airsoft fields on long island
And airsoft company that makes videos and sells guns.
Many. BB guns, pellet guns, airsoft guns, etc.