You can either take my opinion, a person that has worked on Shockers for years or an owner. Of course a Shocker (his gun) is the best. Just do the Research yourself and find the best one for you.
Nitro Tanks are not illegal. They use a gas~nitrogen or Compressed air,But if you are already going to get a really nice gun, get a really nice tank- the gun will like you better.
Just like Mark T thinks the Shocker is the "best"
I think my Angel And Timmy are the best,So use your own judgement
Shocker Basic Maintenance:
Supplies needed :cloth towel,rubbing alcohol, squeegee,phillips screw driver,allen wrenches,awl,dental pick,cotton swabs,Dow 33,
1:Remove hopper and tank
2: Remove Barrel
3:Turn gun over,get a good grip on it and remove air hose, it is held in place with a pressure ftting, and is removed by pushing in on the hose while holding on to the fitting,remove hose from gun & Max Flow.
4.Use an allen wrench to remove the max flow cradle, which is held in by 2 allen wrench bolts,use elbow grease
5.You will notice that there are 2 suction connections with o-rings
6.remove the Max Flow regulator
7.Now begin removing the bolt assembly, In a counter clock wise motion,twist the knob on the gunthat retains the bolt cylinder.
8.Remove the bot assembly by pulling it out,lay it aside for later cleaning
9.Use a Battle swab to clean the barrel housing.
10.Use alchol impregnated cotton swabs to throughly clean the barrel housing area,any dirt or debris will cause the gun to malfunction.
11.Clean feeder tube with Battle swab
12.Clean the Airassist powerfeed by wiping it down with a cloth.
13.Clean barrel with Battle swab
14.Now for the regulator,wipe off dirt and debris
15.use the cotton swab to clean EVERYWHERE on the regulator, the shocker does not like dirt.
16.Unplug Airassist Powerfeed.
17.Clean Air assist
18. Use dental pick to clean out holes in the bolt and also use a rag to get off the old lubricant.
19. he opening at the end of the bolt can get all gooked up. Clean it out VERY well
20 Apply Dow Corning 33 all over bolt to make the gun shoot smoothly.
21.Check and make sure that ALL ORINGS on the Shocker are lubed up with Dow 33.
Reverse process to put gun back together again.
MAN! TALK ABOUT EASY MAINTNENCE
Hope I helped ya bro