The Superior Weapons Systems Free Float Tube
Please find below some guidelines for installing the free float tube.
 Print the below Instructions
Directions for an AR-10 with a standard free float tube.

1) Remove magazine and make sure chamber is clear and not loaded.
2) Loosen gas block and remove.
3) Unscrew current free float tube (turn counterclockwise viewed from facing butt)
4) Remove current tube.
5) Slide new tube into position over the barrel.
6) Slide gas block on into position and line up with gas tube hole.
 *Note* - Gas tube must be partially installed before threading the new tube on.
7) Tighten new tube onto the lock ring.
8) Tighten gas block into place.
9) Installed and ready to use.
 

Directions for an AR-10 with a standard hand guard.

1) The barrel nut must be replaced with an AR10T barrel nut and lock ring.
2) If you have a muzzle break it must be removed in order to remove gas block and barrel nut.
3) The simplest way to remove the muzzle break is to have it machined off, if it is a pressed and pinned model. If it is a threaded and pinned/welded model then the weld and pins must be removed.
4) Remove gas block and hand guard.
5) Remove barrel nut.
6) Install new AR10T barrel nut and lock ring. Tighten to spec (80ft.lbs. approx.). Insure gas tube hole is lined up properly.
7) Slide new FF Tube over barrel.
8) Slide gas block on.
9) Start gas tube into hole
10) Start threading FF tube.
11) Push gas block down while threading FF tube.
12) Tighten FF tube.
13) Tighten gas block in position.
14) Install break.
*Note* A barrel that had a pressed on break can be threaded to adapt a threaded break which must be pinned and the pins welded over.