Quoted: What your saying makes sense.  I do want to free float the barrel and ordered a block from midway for the front sight base removal. I would like to get a Larue 12.0 or 13.2 rail but they are not in stock is there that much difference between Larue and Daniels Defense quality?  Is the gas block difficult to install properly?

Depending on what gas block you are using, you may not be able to go with a 13.2" LaRue.
You need a really slim gas block to fit underneath a LaRue or Daniel Defense.
The only ones I can think of  right now are LaRue, PRI and Badger, but I have seen others as well as the ones I have made over the years.
Here is a low profile BULL barrel gas block that will NOT fit under a LaRue 13.2.
Note how small the inside circle on the handguard tube is.
The really slim low-profile gas blocks will slide inside there.



The installation trick for the 13.2 if your gas block will not fit through the small end of the handguard tube is to slide the handguard tube over the barrel without attaching it to the locking ring yet.
Then slide the gas tube and gas block on to the barrel and setscrew it into place.
With the handguard loose, you can move it around until you have allen wrench access to the gas block setscrews.
Lastly, tighten the locking ring and any positive locking mechanism the locking ring has.

If you want a custom barrel, I got you covered there... www.ar15barrels.com

Quoted: Lets say I call you and want to build a custom upper to be scoped only for target shooting off a bench, what would you suggest?  No ranges close to me are over 200 yards.  I don`t mind 1-7 twist or even loading single shot with longer bullets, I just want accurcy.

Are you a reloader?
What bullets do you want to shoot?

The key is to optimize the upper to the job at hand.
Staying on the bench, a bull barrel is fully appropriate, very heavy, very stiff (good for accuracy) and very planted on the bench for minimal recoil.
Add a buttstock weight and a Jewel trigger set around 8 ounces on the 2nd stage.
This gets the rifle up around 12-14 lbs and allows you to shoot it almost free-recoil.
Then I would pick the slowest twist rate that works for your heaviest bullet choice, much like the benchrest shooters that live on the ragged edge of stabilization.
As you are only shooting to 200 yards, velocity should not be as much of an issue.
I would opt for a 20" bull barrel over a 24".
Shorter barrels of the same diameter are going to be stiffer and stiffness is VERY good for accuracy.
Lastly, get a good quality barrel with a perfectly centered throat.
Production barrels chambered on  a CNC lathe are not going to have a perfectly centered throat.
You have to chamber barrels one-at-a-time to be able to tightly fit the pilots to the bore.
If you are a handloader, you might appreciate a tight necked barrel.
I don't recommend them for most people, but a precision reloader would be fully qualified to feed one properly.

I'm tagginf this, so I can Get a barrel from Randall in the near future.