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12/7/2008 5:18:52 PM EDT
I've tried searching but couldn't find anything. I want to add a FF handguard to my 16" carbine. I want one that extands past the gas block. Was just curious as to what handguard would I need to order for this, one for a 20" maybe? I know I need a low profile gas block. thanks for any input.
12/7/2008 5:32:06 PM EDT
[#1]
I know Daniel Defense makes hanguards that will go around your front sight base, if you don't feel like replacing it. Pretty much anything that is longer than the 7" carbine handguard will extend past the gas block.
12/8/2008 2:47:14 AM EDT
[#2]
I went with a DD M4A1 FSP RIS II rail

12/8/2008 4:28:11 PM EDT
[#3]
I like the length on yours lindertw. I have the s&w m&p15 optics ready with no front sight, just has the gas block with the rail up top. I will be ordering a flip up for the front. Thats why I'm not sure if I just need to order FF hand guard for the 20" barrel, because I don't need the notch cut out for the front sight. Thanks for the input.
12/8/2008 4:43:51 PM EDT
[#4]
The railed gas block will not clear a FF rail like a low profile one will.  You will either have to swap out the gas block for a lo pro or grind down your existing block to fit under a rail.  You will want a 9" rail or longer to cover the block.  10" will hide it very good.  Look at the following:

Daniel Defense Lite Rail
Troy MRF-EX
Larue Tactical rail

Any of those in the 9.5" - 10" range should do the trick.  The Troy and DD will give you a continuous top rail (not monolithic but continuous) the larue will have a space in between.
12/8/2008 5:52:43 PM EDT
[#5]
hmmm, didn't realize you had a gas block w/rail combo.  I wonder if the DD 9.5 FSP cutout model would work for you: linky
12/9/2008 6:06:03 PM EDT
[#6]
Thanks for the info. I will be ordering the low profile gas block also.
12/9/2008 6:38:24 PM EDT
[#7]
With a low-profile gas block you can run anything from a 9" to a 14" rail.
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