Yes, there is not too much love for FSB free floats - A 12 in rail leaves a ugly looking gap between the FSB and the rail - Looks like somethng to snag up on - I spent 160$ for a Midwest G3 on my GMR barrel build last year to avoid that 9/16ths gap - Last month I purchased an ALG 13" VO-E during AIM's anniversary sale, like 65$ - To free float a PSA 20" Freedom Upper - Band Saw and sand it at the forward holes - Works GREAT! Looks like it was made for a 20" barrel - One inch sling threads thru the slots so you can sling up tight w/o pressure on the barrel and it is smoother and more comfortable than the the MI that cost twice as much - Now if Amy would do something for the midlenghts....