Micros and Streamlines.Dart tag can work, but can sometimes jam. All in all, the Maverick can probably use all Nerf Darts.
yes
A clip for NERF darts comes without the darts. It costs $15.00 or £ 6.00. You can buy extra darts in a set of 35.
The standard clips that come with the Recon, Longshot, and Longstrike hold 6 each, and you might be able to stuff a 7th, though I wouldn't recommend it. The drum clip that comes with the Raider comes...
yes it works in all nerf guns except nerf votex and clip sytems