Quote Originally Posted by bamashooter View Post
Are you saying due to the fsb and not the replacement handguard?
Well, yeah. The drop-in handguard wouldn't affect the front site base.

The gun functioned fine, so I just re-zeroed and carried on. I'm super anal retentive about these things so it still bothers be a bit, but unless someone has a valid reason, I was thinking 2.5" change in windage isn't enough reason to justify pulling the pins and adjusting the FSB. It doesn't appear visibly crooked or anything...