Quote Originally Posted by fledge View Post
If you want it flush with that 9.3” rail, you need a 10” barrel. Sage Dynamics was showing off a SMOS 10.5 barrel at 300yds a while back. Great barrels if you can find one.
Geissele is selling 10” Federal rails this weekend. That’s what I’m using.

My YHM Turbo has a mount that gives me room to allow for clearance. The rail should stop right at the base of the shoulder. Even if it overhangs a little, the shoulder is smaller diameter than the handguard ID.