I picked up another set of Krink handgards and the lower HG is a little different and appears to be modified. The darker HG's on the right are stock and came w/my demilled kit. The lighter HG set on the left has part of the wood cut away on the lower part of the HG. Will this affect the fit or do i need to try and send these back?? If this area doesnt affect anything, why would someone have done this modification??