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Posted: 2/25/2006 9:09:20 AM EDT
Anyone have trouble getting the 2-piece YHM rails to fit?

I have an LE6920 and I just cannot get them over the d-ring and the d-ring is all the way depress against the upper. I don't want to file anything done and cause the fit to be loose.

Thanks
Link Posted: 2/25/2006 9:11:49 AM EDT
Did you get the rail specifically for Colt? YHM makes two versions. One for Colt and one for everybody else.
Link Posted: 2/25/2006 9:12:42 AM EDT
[Last Edit: 2/25/2006 9:13:06 AM EDT by NoHarmNoFAL-01]
I am not sure that they will all fit Colts.

I am having trouble getting them on my rifle too, nobody has the carbine length in stock.
Link Posted: 2/25/2006 9:19:25 AM EDT
YELLOWV you are right on. Now I see the part number for the Colt on their site. Damn...

Guess these will go on the Oly now.
Link Posted: 2/25/2006 9:27:48 AM EDT
[Last Edit: 2/25/2006 9:29:24 AM EDT by Stickman]
Link Posted: 2/25/2006 9:35:51 AM EDT
Stickman do you know the difference in the two sets? All I can see is the relief on the notches on the front are a little deeper on my stock M4 handguards. Did you guys use one of the d-ring/handguard tools or just good ole' sweat?

Link Posted: 2/25/2006 9:37:40 AM EDT
Link Posted: 2/25/2006 10:00:01 AM EDT
Not to hijack this thread, but I had the same difficulty with the MI 7" handguards on my Fulton Armory M4gery. Using a handguard tool, I still had one hell of a time getting them on. Finally, after a hour of cursing and a busted middle finger and thumb, they went on. I am impressed with the quality. I am also reminded of the install a week later looking at the subungual hematoma on my middle finger. Of couse, serveral brews didn't help, but made the pain less and my cursing more...
Link Posted: 2/25/2006 10:12:54 AM EDT
Well I got the bottom rail on. I know they say the top should go first but hey I'm lucky I got this far. There is no way the top will go on with out relieving it a little. I'm going to try and make a gentler slope on the notch on the front of the rail to see it will give me enough to slip it on.

Link Posted: 2/25/2006 10:14:40 AM EDT
Mine slid in easily on my Bushy carbine. However they were removed and replaced soon after with a free float as I found them too loose for use with a VFG. I had to physically twist the weapon while aiming to take the slop out of everything. The YHM free float solved the problem. Installing it really isn't too hard, and I would suggest a free float over a 2 piece given my experience with them.
Link Posted: 2/25/2006 10:25:33 AM EDT
Link Posted: 2/25/2006 10:37:54 AM EDT
Mine fit tight on my RRA rifle length. No play at all. I love em.
Link Posted: 2/25/2006 10:41:27 AM EDT
The bottom rail is tight so that will provide a good platform for the VFG. I'm going out now to fire up the Dremel to take the top one down just a smedge. Tiny bits at a time until it just barely goes on.
Link Posted: 2/25/2006 11:36:01 AM EDT

Oh Hell Yeah!!! I got them on. Tight as hell too. Had to use the rubber mallet for a tap but it worked.

Now those damn rail covers that are suppose to "Snap-on". Any tricks to getting those on? They don't seem to snap-on. Like they are too small. They are the Ergo covers.

Pics coming after these covers get on.
Link Posted: 2/25/2006 11:44:40 AM EDT
ya i had to file mine also..

armalite m15 midlength

took about 16th of an inch off

they where still tight as hell

also my zero got all messed up so don't be suprised if yours dose also..

what i dont know is if it will constantly change or its a one time deal after rezero
Link Posted: 2/25/2006 4:34:16 PM EDT
My zero also moved and I had a POI change as things got realy hot but after a few hundred rnds everything seems to have settled down and accuracy is good. It now shoots the same everytime. I really like these YHM 2 pc and don't see any need to free float.
Link Posted: 2/25/2006 4:36:20 PM EDT
What causes the POI to change?
Link Posted: 2/25/2006 4:41:59 PM EDT
Can't get my MI Carbine forearm (handguards) on. I'm taking them to my AR15 gunsmith so he can hammer them into place or grind away if needed. I"m going with FreeFloat the next time. Will post a pic asap.
Link Posted: 2/25/2006 7:15:06 PM EDT
Link Posted: 2/26/2006 4:48:49 AM EDT
Link Posted: 2/26/2006 8:41:17 AM EDT
Oh and I have a new favorite AR tool. The Rubber Mallet...
Link Posted: 2/26/2006 12:49:09 PM EDT
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