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-   -   2 piece quadrail? (http://www.firearmstalk.com/forums/f20/2-piece-quadrail-78343/)

gmwilkes 12-13-2012 04:59 AM

2 piece quadrail?
 
1 Attachment(s)
Was looking at buying a complete upper and the. Installing a drop in 2 piece quad rail? Was wondering if these are comparable to a free float rail and what the advantages/ disadvantages between the two would be? I've attached the pic of the one I'm considering to replace the standard hand guard

Jpyle 12-13-2012 05:47 AM

I have a 2 piece drop in rail on a 16" carbine upper. Advantages to me are the fit with existing front sight post, barrel nut and delta rings assembly. I live in New Jersey and the pinned muzzle break makes removing any part of the upper problematic.

Most true free floats require that you remove the gas block, barrel nut and existing delta rings and front guard cap and attach the hand guard directly to the receiver or to a specially threaded barrel nut. In terms of attaching accessories like MBUS, vertical grips or lights there is no real difference. The only con is that you do not get the accuracy improvements seen with a free float and the 2 piece drop in may not feel as rock solid as a guard anchored to the receiver. Minor tradeoff in my opinion. The AR-15 is not designed with free float handguards as a must have and is plenty accurate as is for me and the types of shooting I do.

With each type, 2 piece or free float, just make sure the gear is up to the task...bottom dollar e-bay "bargains" may be more trouble than they are worth, they will never be tight enough, won't align properly to the receiver rail and may get so hot that you cannot comfortably hold them after several rounds. Yankee Hill, Midwest Industries, Troy, LaRue and Daniel Defense makes great products at different price points. Also check out RRA's website, they have a lot of different configurations and their pricing is not too bad.

gmwilkes 12-13-2012 07:54 PM

My intentions for my build is function. I don't need to shoot the wings off a knat at 500 yards but as long as I can reach out and touch a silhouette at 200 yards I'm happy. Just thought the drop in 2 piece would be the best bang for my buck. Plus this one comes with guards to attach but I plan to put a vertical grip with light on it anyways. And I like the look of the front post coming through the rail. But thanks. Just wondering if since this one goes past the front post if it will hook in the way it's supposed to at the front sight or if ill need to look elsewhere

gmwilkes 12-13-2012 07:55 PM

But you're info does help for when I do a precision build in the future

dragunovsks 12-13-2012 08:26 PM

I've got an NcStar 2 piece handguard on my 20" A2, I didn't notice any difference in accuracy over the standard plastic handguards.


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