Yes they are they were only made for one gun the Nerf N-Strike Longshot CS6 which was also the first nerf gun to feature a clip at all. The nerf Longshot is no longer in production however the newer yellow version of the Longshot did not come with yellow clips but the standard orange only the original blue version came with yellow clips
no it comes with one
yes
nerf magazine drum
yes
No it does not but the Longshots clips are capatible with that weapon.
No, they only work with the Nerf Vulcan.
no
NO
no
yes, they can come in separate clips just go to wal-mart or any store that sells Nerf guns.
no, only flip clips and 6 shot clips.
For a pack of two clips, it costs $7.99 USD. That is about as cheap as you can get.