Absolutely it would, another example, the VZ58 (CZ858 etc) has a service issued bipod that clips on the bayonet lug, and for the MPI shifts by a vast amount when using it. It's to the point where the shift between bipod and no-bipod requires re-regulation of the sights.
I know we could bang on about this for days, but the best thing for a barrel is to leave it alone to work as a barrel and not serve as an attachment point for hardware and Christmas decorations.