Everyone always raves how important it is to have a free floating barrel for accuracy - usually achieved by a freefloating rail/forearm setup. I can see how this is the case when using a receiver mounted optic...but what about when using rail mounted back up iron sights?
I don't see much discussion on the issue, but surely if you are using a front back up iron mounted on, say, a freefloat rail, when you rest that rail on anything, or have a sling attatched to that rail and crank on it, the rail will move independently of the barrel (as designed).....but unfortunately, so will your front buis, and your zero will also therefore move, negating the effect of the freefloat forearm.
I am therefore thinking the best iron sight setup would be a freefloat rail, but front sight attatched to the barrel, not the rail, as this would give you the constant sight plane between receiver mounted rear and front sight. Is my thinking correct?
I don't see much discussion on the issue, but surely if you are using a front back up iron mounted on, say, a freefloat rail, when you rest that rail on anything, or have a sling attatched to that rail and crank on it, the rail will move independently of the barrel (as designed).....but unfortunately, so will your front buis, and your zero will also therefore move, negating the effect of the freefloat forearm.
I am therefore thinking the best iron sight setup would be a freefloat rail, but front sight attatched to the barrel, not the rail, as this would give you the constant sight plane between receiver mounted rear and front sight. Is my thinking correct?