Quote Originally Posted by Iraqgunz View Post
Out of curiosity have installed one onto a carbine that was already assembled? If so, I would like to know your secret because it usually takes about that long to remove the FSB and barrel nut.
No secret, the lite rail was installed on a rifle I built piece by piece as funds were available. I had the FSB installed through ADCO. I do recall prior to having a front sight bench block, it was a hassle to take the FSB off.

The RIS II was also installed on a rifle I built piece by piece as funds became available, except this time I got a barrel with a lower profile gas block.