I just replaced my quad rail with an MI Gen II 13" free float and love it. The smaller diameter is perfect.
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I just replaced my quad rail with an MI Gen II 13" free float and love it. The smaller diameter is perfect.
I guess I'm still on the fence as far as the heat factor in the tube type hand guards. I am heavily invested, with years of use, on the DD lite rails, which I really have had no issues with. I am seriously considering the NSR for a future build though.
For God and the soldier we adore, In time of danger, not before! The danger passed, and all things righted, God is forgotten and the soldier slighted." - Rudyard Kipling
My experience is with a 11" TRX Extreme, a 13" TRX Extreme, and one DD 12" MFR. I prefer the slimmer profile of the Troy tubes.
The one with the most mileage on it is the 11" TRX Extreme and I haven't had any problems with it. There is no denying that there is a little bit of flex in it, but that isn't a big factor with what I use it for.
It is a great option for those who just want to attach a front BUIS, mounted light, and VFG. There generally hasn't been any issue with heat because the tube is well vented and there is a lot of surface area. The only time I've had minor discomfort holding the handguard with my bare hands is after three magazines fired in a short period of time.
The DD MFR is definitely more solid and has a slightly larger diameter. The one thing I noticed was that the handguard heats up a lot faster. The way that it is machined, it has much less surface area than the Troy TRX/E tubes.
What reports of Troy rails shifting are you talking about? Were they torqued properly? I have several Troy Alpha rails and they've been rock solid. I like the profile and the Squid grips they sell are cool and help with heat. I haven't found heat to be a problem.
I've installed an Apex rail as well and it's an excellent rail in terms of design and quality. I like the grip texture on it as well.
The NSR rails are very cool but the down side for me is the proprietary barrel nut and accessory mounting system. I like to keep all of my carbines set up with as much parts commonality and standardization as possible so I stick with Alpha rails that use a standard barrel nut and all use the same rail sections. I could be wrong but I think the NSR needs a special upper receiver with a hole for the anti rotation pin.
Last edited by mkmckinley; 10-21-12 at 14:07.
I prefer the look of quad rails, but after trying the Troy Alpha, I prefer the smaller profile. It just more comfortable and quicker for me to get on and stay on target. I like the NSR rails even more than the Troys. No issues with heat in my experience, but I wear gloves most of the time. I also really like the NSR rail panels and the built in hand stops.
The NSR does not REQUIRE a special upper, but it is an option. I don't see anyone loosening one with standard usage - unless you commonly loosen a standard barrel nut without tools.
My 2 are both Apex Machine... best feel best grip, all the attachment points you could want and built in QD sling points.
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To me there's a bit of difference between a modular rail system and a tube handguard when I start my thought process, but I have found myself attracted to the Wilson Combat T.R.I.M.
I bring it up only because it looks like no one has.
http://shopwilsoncombat.com/TRIM-Tac...fo/TR-TRIM-14/
They come in 7.6", 10.4", 12.6", and 13.8"
Last edited by Casull; 10-21-12 at 17:58.
Muzzle punch optional.
Well, I was gonna look at some more options in the tube handguard category, but today I wound up buying something. I sold a shotgun to a guy and the shop we met at happens to be a KAC dealer. They had a URX III rail in stock, I checked it out and compared it to a Troy extreme rail they had on a rifle there as well as a few other Daniel Defense quad rails and wound up choosing the KAC. It is so much nicer in person than the pictures lead you to believe.
I will be obviously changing my light option for this upper, so I think getting another M300 and running it with a gear sector or Larue mount with the clicky tailcap will be the ticket.
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The heat shield is a nice touch by KAC
Another user of a Rainier/Samson evolution rail. It feels great in the hand and has been very stable with bipod and sandbag use. It feels super lightweight as well. Heat has not been an issue for me, though the rifle it sits on is my interpretation of a recce and does not see that much rapid fire use. I really like that it uses the standard AR15 barrel nut over some other propriety nut.
Those were from the day I installed it and function checked (hence no BUIS). It has seen a lot of not go gentle handling since with no hiccups.
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