It is possible to modify a Nerf Hornet AS-6, however it can be quite difficult. The easiest modification would be to plug the pump, to decrease the amount of necessary pumps, but another good one would be to rebarrel the blaster with brass.
The related link shows a video on how to modify the Nerf gun
35 feet
The Nerf Elite is good product if you intend to modify it.
Theres a nice person on nerfhaven.com named Ompa who made a hornet shoot 85 feet. Visit the site.
Just look up videos on youtube on how to modify your nerf gun.
There is no such nerf gun as the n-strike cs6. But a how-to on modifying any nerf gun can be found on youtube.
You can't unless you have the Nerf Gun Utility System. That's a combination of the Titan, Hornet, and Scout.
The Nerf Elite is good product if you intend to modify it.
There are very few way to modify a Nerf Buzzsaw, however cutting off the piece that stops the ball from falling makes the blaster semi-automatic. That's probably the easiest modification to do.
as much as you can until it starts to make a farting noise
try looking at nerfhaven.com for good instructions with pictures
There have been no Nerf blasters released that start with He. The only blasters released that start with H are the Hidden Shot, Hornet AS-6, Hydro Bazooka and Hyperfire.