there is no best airsoft site, they all have flaws, but here are some good sites; evike.com airsoft GI, and airsplat. also try pyramidair.com & airgundepot.com
If you mean to purchase Airgun's and airgun accessories, I think Airgun depot has great prices and fast shipping. Pyramid Air is very good as well I hear.
eskopeta,concord,skyline
Only if the airgun has a scope rail designed into the gun. You will also need an airgun scope not a firearms scope.
its easy for a airgun just shoot at the cross
The highest velocity of an airgun is that of Evanix AR6 pistol which is 1000 fps.
Probably best to return it to the manufacture for repair.
This is best done by a professional. Search the web for "airgun repair" and locate a shop to send it to.
The address of the Daisy Airgun Museum is: 202 W Walnut St, Rogers, AR 72756
$55,000
Air is used to propel the projectile.
It depends on the model
It all depends on where you live.