Um....how does the top rail of the handguard align with the rail of the upper receiver?
If that's off, then that means your handguard is the culprit.
If that isn't off, use your calibrated eyeball to see if the rail bends or twists the further it goes out from the reciever towards the front sight.
If it doesn't, then you are correct that your FSB/barrel (most likely the entire barrel) is slightly canted.
If it is the FSB and not the entire barrel, It probably relates (as I-Gunz noted) to your install of the FSB. How far in have you driven the FSB pins?
I'll re-state, do NOT start smacking the shit out of your rifle until you have gone through the above checks and then, all of that being good, taken the damn thing to the range and shot it first.
p.s. did you re-torque on your barel nut during the install process?
Last edited by GrumpyM4; 05-01-12 at 02:55.
It is missing the point to think that the martial art is solely in cutting a man down; it is in killing evil. It is in the strategem of killing the evil of one man and giving life to ten thousand -Yagyu Munemori
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