i just recently ugraded my barrel and hop up. i put a 6.01 tightbore barrel in and new madbull hop up bucking and nub. the only problem is that when i shoot the gun, the bbs with go about 100 feet then swerve to the right. its not wind either, i tried it for 3 days now and they always fly in the same direction. im shooting .20. please help. i have a game tomorrow.