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Posted: 7/19/2013 7:38:51 PM EDT
I hope that is the right term for rails like the MI Gen 2 SS and Troy TRX Extreme, if not someone please correct me.

I think I am going to step away from quad rails. Currently, I have a MI Gen 2 two piece free float on one of my rifles, but I don't really like it.

I've been looking at modular rails an think they seem like a great option. I know I want  a 11" or 12" length tube, with the ability to add rail sections as needed.

The rifle the rail will go on is a 14.7" carbine with pinned A2 FH.

Link Posted: 7/19/2013 7:43:38 PM EDT
Trov Alpha rail hands down. My Rifle 13" rail on a 14.7"
Link Posted: 7/19/2013 7:52:51 PM EDT
Rainier Arms Evolution Rail is QUITE nice. Uses stock barrel nut so no having to use proprietary crap. It's real light and comes with a QD socket, 2" rail, and 4" rail. They MAY still be in stock on their website.

Link Posted: 7/19/2013 8:00:11 PM EDT
And yeah... as far as I know, "Free Float Modular Rail" or any variation thereof describes these forearms well enough.
Link Posted: 7/19/2013 8:07:41 PM EDT
Well, DD Modular Float Rail...


Untitled by zweitakt250, on Flickr


Untitled by zweitakt250, on Flickr

Posted Via AR15.Com Mobile
Link Posted: 7/19/2013 8:10:45 PM EDT
In the "general" sense of the word modular; check out all the Keymod Rails out now.

Vltor, Noveske, KAC, PWS, Odin Works, Seekins Precision, etc...
Link Posted: 7/19/2013 8:13:50 PM EDT
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Quoted:
Trov Alpha rail hands down. My Rifle 13" rail on a 14.7"
http://farm4.staticflickr.com/3703/8997055629_97a3f0a809_o.jpg
View Quote


Can you add rail sections at 3 o'clock and 9 o'clock on the alpha?
Link Posted: 7/19/2013 8:28:33 PM EDT
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Quoted:


Can you add rail sections at 3 o'clock and 9 o'clock on the alpha?
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Quoted:
Quoted:
Trov Alpha rail hands down. My Rifle 13" rail on a 14.7"
http://farm4.staticflickr.com/3703/8997055629_97a3f0a809_o.jpg


Can you add rail sections at 3 o'clock and 9 o'clock on the alpha?


Yes.

Also look at the VTAC.

Also made by troy.

Love mine.

Link Posted: 7/19/2013 8:31:02 PM EDT
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Quoted:


Can you add rail sections at 3 o'clock and 9 o'clock on the alpha?
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Quoted:
Quoted:
Trov Alpha rail hands down. My Rifle 13" rail on a 14.7"
http://farm4.staticflickr.com/3703/8997055629_97a3f0a809_o.jpg


Can you add rail sections at 3 o'clock and 9 o'clock on the alpha?

Yes, any where there is oval shape opening is where they go. I like the Troy rails but have been thinking about mi ss gen 2 or noveske bc they are lighter. Might also go w fortis rev, lil of both worlds
Link Posted: 7/19/2013 8:33:16 PM EDT
Discussion ForumsJump to Quoted PostQuote History
Quoted:


Yes.

Also look at the VTAC.

Also made by troy.

Love mine.

http://i.imgur.com/8ITO1R3.jpg
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Quoted:
Quoted:
Quoted:
Trov Alpha rail hands down. My Rifle 13" rail on a 14.7"
http://farm4.staticflickr.com/3703/8997055629_97a3f0a809_o.jpg


Can you add rail sections at 3 o'clock and 9 o'clock on the alpha?


Yes.

Also look at the VTAC.

Also made by troy.

Love mine.

http://i.imgur.com/8ITO1R3.jpg


The VTAC and th alpha look pretty similar. Is there any difference? Can rail sections be added to the VTAC as well?


Also, I am seeing two different Alpha rail models. One has circle holes and one has ovals. Is there any difference between the two? I like the one with oval holes better.
Link Posted: 7/19/2013 8:37:04 PM EDT
Discussion ForumsJump to Quoted PostQuote History
Quoted:


The VTAC and th alpha look pretty similar. Is there any difference? Can rail sections be added to the VTAC as well?
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
Quoted:
Trov Alpha rail hands down. My Rifle 13" rail on a 14.7"
http://farm4.staticflickr.com/3703/8997055629_97a3f0a809_o.jpg


Can you add rail sections at 3 o'clock and 9 o'clock on the alpha?


Yes.

Also look at the VTAC.

Also made by troy.

Love mine.

http://i.imgur.com/8ITO1R3.jpg


The VTAC and th alpha look pretty similar. Is there any difference? Can rail sections be added to the VTAC as well?


Yes. Circles vs slots.

Both come with add on rails.
Link Posted: 7/19/2013 8:41:29 PM EDT
Honestly just pick one! you really cant go wrong. I am all for the MI, I have the 15" mounted on my 16" and love it. very simple and solid.
Link Posted: 7/19/2013 8:41:43 PM EDT
Discussion ForumsJump to Quoted PostQuote History
Quoted:
The VTAC and th alpha look pretty similar. Is there any difference? Can rail sections be added to the VTAC as well?


Also, I am seeing two different Alpha rail models. One has circle holes and one has ovals. Is there any difference between the two? I like the one with oval holes better.
View Quote


They're both Troy rails. The TROY Alpha has the round holes. You can fill those with Troy Squid Grips.

The TROY/VTAC Alpha has the longer cooling slots.
Link Posted: 7/19/2013 8:43:31 PM EDT
Ok figured it out. VTAC= ovals and the regular Alpha=circles.

Can rail sections be added after it is installed? It looks like they don't screw into the exterior of the rail, but have backers that mount on the interior?
Link Posted: 7/19/2013 8:45:06 PM EDT
AR-4C mentioned Key-mod rails...  check 'em out. Me want for next rifle.
Link Posted: 7/19/2013 8:46:48 PM EDT
Apex.
Link Posted: 7/19/2013 8:54:13 PM EDT
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Quoted:
Apex.
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Now that looks interesting! Would love to feel it in hand.
Link Posted: 7/19/2013 9:28:27 PM EDT
At this point I'm definitely leaning towards the 11" or 13" Troy VTAC.
Link Posted: 7/20/2013 8:15:56 AM EDT
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Quoted:


Now that looks interesting! Would love to feel it in hand.
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Quoted:
Quoted:
Apex.


Now that looks interesting! Would love to feel it in hand.


I have the mid/extended on my do-all build.  It is the only modular FF I have, all the rest being quads.  I have to say this thing is super comfortable, and has really grown on me.  It isn't pure sex to look at, but its function is great.

They are light as hell, and well made.



Link Posted: 7/20/2013 8:55:19 AM EDT
Discussion ForumsJump to Quoted PostQuote History
Quoted:


They're both Troy rails. The TROY Alpha has the round holes. You can fill those with Troy Squid Grips.

The TROY/VTAC Alpha has the longer cooling slots.
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
The VTAC and th alpha look pretty similar. Is there any difference? Can rail sections be added to the VTAC as well?


Also, I am seeing two different Alpha rail models. One has circle holes and one has ovals. Is there any difference between the two? I like the one with oval holes better.


They're both Troy rails. The TROY Alpha has the round holes. You can fill those with Troy Squid Grips.

The TROY/VTAC Alpha has the longer cooling slots.


You can also use the Noveske low profile sling mount which is really a nice set up
Link Posted: 7/20/2013 9:20:20 AM EDT
Noveske NSR hands down.  I've had experience with the Alphas, and while they're good, I really like the polymer panels that can be installed directly to the NSR keeping a low profile.  Besides, Keymod is pretty awesome and seems to be what the standard is going to be with all these companies adopting it.
Link Posted: 7/20/2013 10:19:09 AM EDT
I'm a fan of Samson evolution rails.. also had a Troy vtac that I liked
Link Posted: 7/20/2013 11:15:49 AM EDT
i recently switched to a diamondhead vrs-x and i really like it! the attention to detail is above any other ive seen, and its light.
http://www.store-diamondhead-usa.com/V_RS_X_Free_FloatIng_Handguard_System_p/2131.htm

http://i20.photobucket.com/albums/b229/revoqprs/DSCF0060_zps4e578de2.jpg
Link Posted: 7/20/2013 11:31:09 AM EDT
Gah! It's torture visiting this site and these boards. You people and your 30-rounders... envious

RebelAR-15, you won't be making a bad choice with the Alpha rails (no matter which)!
Link Posted: 7/20/2013 11:50:12 PM EDT
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Quoted:
Ok figured it out. VTAC= ovals and the regular Alpha=circles.

Can rail sections be added after it is installed? It looks like they don't screw into the exterior of the rail, but have backers that mount on the interior?
View Quote

Yup the rails can be added with the handguard installed, but it's kind of a pain in the ass getting them lined up right. Much easier to do when everything is apart.
Link Posted: 7/21/2013 12:05:23 AM EDT
Fortis REV
Link Posted: 7/21/2013 12:11:09 AM EDT
Samson EVO.
Link Posted: 7/21/2013 12:20:19 AM EDT
At this point price is your determining factor. Tons of good recommendations thus far.
Link Posted: 7/21/2013 12:23:41 AM EDT
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Rainier Arms Evolution Rail is QUITE nice. Uses stock barrel nut so no having to use proprietary crap. It's real light and comes with a QD socket, 2" rail, and 4" rail. They MAY still be in stock on their website.

http://i39.tinypic.com/ogm8ih.jpg
View Quote


It's out of stock, but there is a notification feature. 12" Rainier Arms Evolution rail.

I really like the Noveske NSR.

Also out of stock but really nice, the Centurion Arms CMR.
Link Posted: 7/21/2013 2:43:58 AM EDT
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Quoted:
At this point price is your determining factor. Tons of good recommendations thus far.
View Quote


This is true. I'm trying to keep it at right around $200.

I've got my mind almost made up, but can decide between the 11" or 13" Troy/VTAC Alpha. Barrel length is 14.7".
Link Posted: 7/21/2013 5:12:49 AM EDT
Topic Moved
Link Posted: 7/21/2013 5:54:20 PM EDT
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Quoted:
I've got my mind almost made up, but can decide between the 11" or 13" Troy/VTAC Alpha. Barrel length is 14.7".
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I personally think the 13" on your 14.7" would look REAL good!
Link Posted: 7/21/2013 7:46:03 PM EDT
Centurion Arms CMR

Link Posted: 7/22/2013 10:58:26 AM EDT
I like the EVO rails from Samson Mfg they are decently priced and use stock barrel nut. 556 Tactical has version of it that looks cool.

Samson: http://www.samson-mfg.com/ar-15_html/product/Evolution-12_37.html

556 Tactical: https://store.556tactical.com/#product835
Link Posted: 7/22/2013 12:02:41 PM EDT
I'm  interested in modular handguards as well.  The Troys look nice, but are too heavy for me.  The MI gen 2 SS look nice and are lightweight, but I've read complaints that they can become loose during use.  MI tells folks to locktite the handguards to the barrel nut and I'm not really interested in doing that.

So that leaves the Samson or Rainier EVO or the Centurion DMR.  Both are nice looking, lightweight rails.  For those of you with these rails, have you had problems with the handguards working themselves off the barrel nut?
Link Posted: 7/22/2013 12:35:40 PM EDT
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Quoted:
I'm  interested in modular handguards as well.  The Troys look nice, but are too heavy for me.  The MI gen 2 SS look nice and are lightweight, but I've read complaints that they can become loose during use.  MI tells folks to locktite the handguards to the barrel nut and I'm not really interested in doing that.

So that leaves the Samson or Rainier EVO or the Centurion DMR.  Both are nice looking, lightweight rails.  For those of you with these rails, have you had problems with the handguards working themselves off the barrel nut?
View Quote


I have friends using both without issue. I'm confident that both of them will remain in place.
Link Posted: 7/22/2013 12:58:55 PM EDT
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Trov Alpha rail hands down. My Rifle 13" rail on a 14.7"
http://farm4.staticflickr.com/3703/8997055629_97a3f0a809_o.jpg
View Quote


Troy: ribbed for her pleasure.

Do they make a smooth one?
Link Posted: 7/26/2013 4:05:26 PM EDT
I'm waitin' on the BCM  KM13

BCM  KM13 (with Xtra Keymod)
Link Posted: 7/26/2013 5:03:34 PM EDT
Samson Evo here.

Love it!
Link Posted: 7/26/2013 8:32:47 PM EDT
troy alpha 13" is what I just used to finish a build.
mine works well with the 16" barrel I used and looks great.
could only imagine how [email protected] is would look with your barrel.

I love the feel and finish. works with a standard barrel nut if you stay away from the TRX model.

+1 troy alpha 13
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