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Dahamp2003 07-11-2013 07:34 AM

FF rail w/ original front sight post?
Hey guys, Ive got a mid length upper, and Ive been looking at this FDE free float rail 1109

I am wondering if I can get a rail and what size ill need to use the existing gas block just sticking out the end of the rail, like the one pictured on the midwest industries website. I like the front sight post. Any help?

purehavoc 07-11-2013 11:57 AM

mid length 9" handguard , Just like this . It will leave a little gap between the hand guard and the FSP but you will get used to it

JonM 07-11-2013 01:08 PM

Inside diameter is 1.3 inches you will need a block no larger than about 1.25 inches. Your going to have to remove the fsb to mount a ff tube less you get a shoddy two piece. You should be able to use a carbine tube for a midlength but i would contact mi to be sure

Dahamp2003 07-12-2013 02:59 AM

Thanks Havoc. You answered my question perfectly. 9" it is then. It doesn't look like you use the end cap that held the front of the two piece handguards on there do you? I guess that just slides off when you remove it, then you just leave the tube as the only "exposed" thing?

purehavoc 07-12-2013 02:14 PM

Yup , I have seen a few guys leave the cap on but in all honesty it looks cheap like that , I just left it off . Gas tube is exposed but I would never worry about something getting in that area and banging up the gas tube , its just to small of a area for anything real heavy to get in there . No big deal for me ;)

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