Getting Fed Up

I just started paitnballing about 5 months ago, and my first gun was a 98 custom 3-D seclusion or w/e the camo one is called. Right after i got it i bought a flatline. I was all hyped up and teh first teim out it chopped liek a blender. Took it home cleaned it good, tried again. Little better this tiem but nwo i went out and bought a rubber amllet and installed it perfectly. and it still chopped. I haev been installing it perfect ever since i know it and it still chops like theres no tomorrow. One thign that i think might contribute to it is the fact that when i bought it from fleet farm, there was a scratch on the inside of the barel. No idea if this has anythgin to do with it but this barrel is just getting me very angry. So if anyoen coudl help on that issue it woudl eb great cause im about to get rid of it for good. One mroe thign to add is that i am usign good rps premium paint, and im pretty positive my velocity isnt bad, actually positive. SO thats that

NOWWWW i bougth another GTA product which was the RT. I bougth it, took it hoem took like a halfhour+ to install to maek sure i did everythign flawlessly so i didnt have a flatline type problems again, aired it up and took it out side. I pulled the trigger and it shot about 4 times very fast then stopped. I tried to pull the trigger but it woudlnt budge for anything. The trigger pull had to be over 20 pounds it just wouldnt move at all so i took it inside, looked at it rearranged everythign back together and bolted her back up. took it outside, shot did a 3 rounds burst then it just died again. No wi am very angry cause i just blew a 100 dollars on somethign that doesnt work wo i sit down with it, and start to loosen up the little adjuster thign a little more then i hear a pshh for liek a secodn then it stopped. So i tried to shoot again it shot one time easy then tried to pull the trigger again and it was the same 20 pound pull. loosend the thign again and it made another little poof of air coem out. Then that kept happening. After i release the air pressure from teh piston, it shot then the next shot the little metal cylinder thing that pushes ur trigger just stays out. I think this is because the cylinder is filled with air and wont alow the piston to coem back in, makign the trigger pull so hard. So if anyone knows how to fix this problem with my RT please help again.

Im sry for the question but these to GTA accessories are jut getting me so mad im about to disband the whole thing. So please help me figure out whats wrong with this so i can see how this beast is really supposed to work. Thanks again

Yeah, what he said.