To clarify the procedure I am talking about
:
1. Remove taper pins from front sight base.
2. Slide front sight base forward and remove gas tube. It cannot be removed completely due to the pinned flash hider.
3. Remove barrel from receiver.
4. Remove delta ring.
5. Cut front handguard retainer off.
6. Slide Alpha rail over barrel nut onto barrel from the rear. (
This is the question, is this possible?)
7. Reattach barrel to receiver.
8. Replace tabs in rail.
9. Install rail.
10. Reattach front sight base and gas tube.
11. Shoot the crap out of the rifle with new rail.
The rails without the built in front sight are what I am referring to, I should have mentioned that in my original post. I realize the tabs might be a bear to put back in, but I am sure it is possible with a little creativity. The question remains, will the barrel nut slide completely through the rail? And if so, am I missing anything?

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