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Best quad rail that covers rifle length gas block

renegadeGDI

Private
Minuteman
Oct 30, 2022
40
27
New Smyrna Beach, FL
I am putting together a parts list for an 18" rifle length precision ar-15 build and I am really stumped on trying to find a good quad rail that is long enough to cover the gas block... I think the only thing that comes close or may fit the bill is LaRue... Anything else out there?
 
I put a Strike Industries GridLock on my 18 inch gun with rifle gas. It seems fairly solid to me so far. I have shot out to 600 with the setup.
 
I think the only thing that comes close or may fit the bill is LaRue...

Larue's longest quad-rail is their 13.2" version. It doesn't cover a full-length gas block, but comes close for a ~1" gas block.

noveske-20-inch-dmr-typ-002.jpg



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Daniel Defense 15.0 DDM4 rail

That's definitely an option but it drives me nuts that they don't offer the ris ii in a 14-15" length... That would have been my first choice.
 
As far as I’m concerned the MK18 Geissele rail is the best there is for a precision build. They’re usually out of stock and hard to come by but there’s one listed for a good deal currently.

 
As far as I’m concerned the MK18 Geissele rail is the best there is for a precision build. They’re usually out of stock and hard to come by but there’s one listed for a good deal currently.

Good reminder, I looked at that one a while back, I don't own any ARCA stuff so it wasn't that appealing at the time, but I do see the appeal to having a flat bottom... I bet it would be a lot more stable on a front bag.
 
Good reminder, I looked at that one a while back, I don't own any ARCA stuff so it wasn't that appealing at the time, but I do see the appeal to having a flat bottom... I bet it would be a lot more stable on a front bag.

There’s nothing more stable on a bag than a flat bottom. If you want more stable you put a grey ops plate on the arca rail. It’s beneficial even if you don’t use it to mount it to a tripod or bipod.