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Posted: 9/4/2004 11:11:24 AM EDT
Thinking of doing this just wondering how many people do this and thoughts on it. advantages/disadvantages. Pics if ya got um would be cool too. Thinking of using they YHM light weight rifle length railed forend.
Link Posted: 9/4/2004 12:08:11 PM EDT
Less hot barrel comes in contact with my legs or hands (or burn my car's bumper lol), more rail surface that allows me to mount my light all the way up, room for PVS14 (I put an Aimpoint M2 way ahead on the handguard), sling attachment adapter can be put all the way forward too.

Link Posted: 9/4/2004 12:15:30 PM EDT
DD 12.0, 16" Midlength,... Balances VERY well with the Cav arms A1 stock, Jumps around a lot less than a carbine...
Link Posted: 9/4/2004 12:32:16 PM EDT

Originally Posted By underdog75:
DD 12.0, 16" Midlength,... Balances VERY well with the Cav arms A1 stock, Jumps around a lot less than a carbine...

This was the first one that popped into my head. Nobody has yet mentioned the increased sight radius and accuracy potential.

And they look damn businesslike, no extra barrel hanging out there to snag shtuff with.
Link Posted: 9/4/2004 1:04:02 PM EDT
[Last Edit: 9/4/2004 1:18:38 PM EDT by underdog75]

"Nobody has yet mentioned the increased sight radius and accuracy potential"

When I get good enough with irons to see a difference between the two sight config's Ill start mentioning that
Link Posted: 9/4/2004 1:19:52 PM EDT
[Last Edit: 9/4/2004 1:20:41 PM EDT by new-arguy]
Link Posted: 9/4/2004 1:52:52 PM EDT
Well Mongo, it's because I intend to use a scope with mine, the backup sights are well, backup sights
Link Posted: 9/4/2004 3:01:31 PM EDT
Here's one of mine...

Link Posted: 9/4/2004 3:07:02 PM EDT
Here's my first AR ... Frankenbuild that it is.

Link Posted: 9/4/2004 3:08:17 PM EDT
I'll post a pic when I get mine back...new KAC MRE on a 14.5" M4 bbl..
Link Posted: 9/4/2004 3:51:26 PM EDT
Here's one with the DD 12.0 rail.

Old pic:

Newer pics:

Link Posted: 9/4/2004 4:47:45 PM EDT
[Last Edit: 9/4/2004 4:48:49 PM EDT by SMGLee]
Link Posted: 9/4/2004 5:47:02 PM EDT
[Last Edit: 9/5/2004 8:45:46 PM EDT by MSTN]
Link Posted: 9/4/2004 6:05:12 PM EDT
Link Posted: 9/5/2004 6:16:25 AM EDT
Lots purdy guns

Yah I think this definatly sealed the deal. Doing the rifle length tube on a 16in barrel. yup Thanks all.
Link Posted: 9/5/2004 7:35:19 AM EDT
[Last Edit: 9/5/2004 7:51:59 AM EDT by LarryLove]
I have no pic to show you, but I have a DD 12" tube over a 16" BM M4 barrel with the PRI gas block. I did this specifically to have the long sight radius on a carbine for accuracy at extended ranges. It worked out exactly as hoped, my 200yd group size (w/ irons) with this 16" bbl is the same as with my 20" bbl, something I am utterly incapable of doing with the standard carbine sight radius. I must give "props" to Capn_Crunch, his rifle was an inspiration for this project.

Sights: LMT rear, Troy front. I chose the LMT because the sights on this rifle aren't "back-up", they're "primary", and I wanted the A2 sight system to be a part of it. Then again, I'm pretty sure no magnified optics are ever going on this rifle, or I would have had to choose a folder.

Photoman, I know you said you're considering the YMH lightweight rail... I have one on a scoped 20" platform, and it's a good system, but may I suggest you look into a DD for your carbine. I know it's way more expensive, but there's definite advantages. First, WEIGHT. Second, better locking system to keep the rail in place and completely prevents any accidental handguard rotation. Third, tube shape - the DD isn't round, it's oval like an M4 handguard and is way more suited for gripping than the round tubes. As soon as I felt that M4 profile on the DD I was a believer.
Link Posted: 9/5/2004 9:05:42 AM EDT
[Last Edit: 9/5/2004 9:06:58 AM EDT by Stevie]
First time trying to post a pic. A Larue 12 in. on a CMT Upper, and modified 16 inch Dissy BBL.http://img.villagephotos.com/p/2004-9/822895/Dissy1.jpg
Link Posted: 9/5/2004 9:09:05 AM EDT
[Last Edit: 9/5/2004 9:09:39 AM EDT by Gunzilla]
I put together a few of the uppers shown there on the top... Gas system is mid length and the FSB is removable so you can get the handguard off for cleaning, I think this is my favorite setup of all.

Link Posted: 9/5/2004 3:01:40 PM EDT

Originally Posted By bigbore:

Originally Posted By double_r76:
Here's one of mine...


I thought you were nuts, but that thing came out really dern cool.

Thanks! Most people who see the upper think the PRi SPR rail is a factory piece since the machine work and refinish is so clean. I'm gonna snap a couple better pics of the finished rifle one of these days to put in your Industry Forums brag/pic thread. Could not be a happier customer!

Link Posted: 9/6/2004 12:22:29 PM EDT

I'll say it again..I really like the PRI rail setup you've got on that rifle. The rail is just long enough to forward-mount a scope on conventional low/med rings, but doesn't add miles of useless rail and weight to the gun.

We need to see some better pictures!

Link Posted: 9/8/2004 2:58:23 AM EDT
Here is my Special Weapons AR-47 in action with rifle lenght FFT (DPMS)
and with X-Long Tuber FFT http://www.takkumaki.net/images/Ar47_1.jpg

Link Posted: 9/8/2004 3:44:05 AM EDT
[Last Edit: 9/8/2004 3:49:25 AM EDT by MSTN]
Link Posted: 9/8/2004 3:12:33 PM EDT

Is that the new Nightforce?
Link Posted: 9/8/2004 7:27:22 PM EDT
There are some really nice guns in this thread: double_r76, Capn_Crunch, SMGLee, and of course Wes.

Is anyone here not using the mid-length gas system?

Link Posted: 9/8/2004 8:02:40 PM EDT

Carbine length gas system here... my upper is a Colt 6721 with 16" HBAR turned down and then fluted, has M4 feedramps. Taking more pictures is on my "to-do" list!
Link Posted: 9/8/2004 8:18:43 PM EDT

Originally Posted By Zak-Smith:
There are some really nice guns in this thread: double_r76, Capn_Crunch, SMGLee, and of course Wes.

Is anyone here not using the mid-length gas system?

Mine's not at current, but I'm working on it...

Link Posted: 9/9/2004 6:49:36 AM EDT
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