Both original and reproduction stocks are cut oversized to allow for fitting to your rifle.
What you have is to be expected with new wood, perhaps even more so with repro wood.
Fitting the handguards and bands is one of the last things to do. You are happy with the bedding and have correct upward pressure at the muzzle end?
The barrel band's inletting, in both fore stock and hand guard will need to be adjusted to allow the band to fit.
Don't crank on the screw to pull it up until you are fairly close. And putting it in a vice and squeezing anything is not a good idea.
The parts, including the screw are castings and are relatively soft iron. Very easy to strip threads or chew the crap out of the screw slot.
Patience is key. File a little, test fit, file a little more, test fit again. Smoking the inside of the band with a candle flame will leave black witness marks on the wood where the band touches to help you remove wood in the right spots.
Good luck and keep smiling!