AR15.Com Archives
 Colt 6940 or 6920?
KansasPaul  [Member]
8/12/2011 11:28:25 PM
I'm sure to be opening a can of worms here but...... getting ready to buy a Colt, either LE6940 or LE6920. The price difference is $200. I like the idea of the free float barrel on the 6940 and the monolithic rail eliminates me having to buy a rail for a 6920. I know about the barrel nut issue on the 6940 and the front site is okay by me. I do not currently own an AR (sold my Bushmaster about 10 months ago) and I only have money for one rifle that I plan to keep indefinitely - I can't afford to make a mistake her. I appreciate all input.

Paul
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par3  [Member]
8/12/2011 11:34:30 PM
Why don't you just google 'colt 6920 vrs 6940' and read all you can before you decide.
raider74  [Member]
8/12/2011 11:40:51 PM
The monolithic rail looks cool, but if you damage it what do you do then since the rail and upper are one piece "mono"? I would go with the 6920, do your home work on rails and pick one that will fit your needs.
Mr_Black15  [Member]
8/12/2011 11:41:09 PM
1 vote 6940
under9  [Member]
8/12/2011 11:44:36 PM
6920
gjg  [Team Member]
8/13/2011 12:10:56 AM
Originally Posted By under9:
6920


6920
jcshunter  [Member]
8/13/2011 12:13:12 AM
I have both and like the 6940 best but both are 100%

JCS
pun  [Member]
8/13/2011 12:34:33 AM
If your not going to be servicing the rifle yourself go 6940 if your gonna be your own armorer then go 6920.The 6940 has some proprietary parts that im not sure theres tools for yet like its barrel nut and I dont think it will take standard AR barrel assemblies the 6920 is as standard M4 as it gets for civies and all mil-spec parts will fit.
allyx  [Member]
8/13/2011 12:43:19 AM
i went for the LE6920, my LGS has both but the 6940 was the SP not the LE version. SP6940 was really nice, maybe someday.i will own both.
Checkmate762  [Member]
8/13/2011 1:14:41 AM
6920
nightshade1  [Member]
8/13/2011 2:10:17 AM
6920

Take the $200 difference and buy a FF rail from MI

One Piece
Two Piece
Projektile  [Team Member]
8/13/2011 2:33:22 AM
Originally Posted By raider74:
The monolithic rail looks cool, but if you damage it what do you do then since the rail and upper are one piece "mono"? I would go with the 6920, do your home work on rails and pick one that will fit your needs.


This. Big plus of ar15 platform is it's versatility. IMHO, some of that is lost when you start including monolithic uppers into the picture. Better to go with the 6920.

I love mine.
Dodge4x4  [Team Member]
8/13/2011 8:32:18 AM
6940
35mm_Shooter  [Team Member]
8/13/2011 9:13:50 AM
monolithic = less parts, stronger and more solid, more flexibility when mounting optics, lasers hold zero better, and more cool
scottydoesnt  [Member]
8/13/2011 9:20:20 AM
I think this is a pretty simple choice. Will you be mounting accessories immediately ? If so, get the 6940. If you aren't planning on upgrading anything, get the 6920. If you'd like to put your own rail on later on (larue, troy, DD) get the 6920 and figure it all out later.
mudd007  [Member]
8/13/2011 10:14:31 AM
Went 6940 here with no regrets.
Sigman_Froid  [Team Member]
8/13/2011 10:15:44 AM
I have both. Both awesome. As others have said:

How you gonna use them.

How you gonna upgrade and upgrade you will. Optics, lights, lasers, faux grenade launcher, and on and on..............

In theory 6940 has higher accuracy POTENTIAL.

For me it is like choosing between my 2 sons!
survivorman  [Team Member]
8/13/2011 10:27:10 AM
6940.....monolithic rail with flip down front sight......its ready to go
Skunkeye  [Life Member]
8/13/2011 10:29:46 AM
6940 FTW!
evlblkwpnz  [Team Member]
8/13/2011 10:39:22 AM
Originally Posted By pun:
If your not going to be servicing the rifle yourself go 6940 if your gonna be your own armorer then go 6920.The 6940 has some proprietary parts that im not sure theres tools for yet like its barrel nut and I dont think it will take standard AR barrel assemblies the 6920 is as standard M4 as it gets for civies and all mil-spec parts will fit.

The barrel nut wrench has been available for a year. I pulled my 6940 barrel and had it chopped to 12.5". It was extremely accurate before and nothing changed.


As far as another poster doubting the strength of the monolithic upper, you should own one before you assume that a bolt on rail system is stronger. This thing is as tough as nails and it failing is the furthest thing from my mind. I have owned numerous rail systems before and I will buy monolithic from now on. I love my Aero Precision COP too

+1 for 6940

jppaul16438  [Member]
8/13/2011 10:54:57 AM
I have the 6920 an love it. Cant speak about the 6940, never owned one or enen shoot one. Both are colts I dont think you can go wrong either way.
rock71  [Team Member]
8/13/2011 11:01:50 AM
6920 + DD Lite rail
epthunter  [Member]
8/13/2011 12:27:44 PM
Love my 6940. lots of options for the rail. i did change out the trigger and the stock though.
FishinTexasAg05  [Member]
8/13/2011 1:11:18 PM
6920

You have more options for manipulation. I'm not to big on the monolithic rail. You can't ever make it longer and I'm not a fan of the gas block sight
TheSurvivalist  [Team Member]
8/13/2011 1:52:37 PM
6920
TheMercenary  [Team Member]
8/13/2011 1:56:03 PM
6940 does not offer enough real estate IMHO

I vote 6920 with your choice of 12" FF rail FTW
ErikTaylor  [Team Member]
8/13/2011 2:19:42 PM
Originally Posted By TheMercenary:
6940 does not offer enough real estate IMHO

I vote 6920 with your choice of 12" FF rail FTW


+1 identical thoughts!
home_alone1  [Member]
8/13/2011 2:26:31 PM
6920 with a set of KAC RAS seconds ( $150 ) and get a good Troy buis. and add to it as you get the cash
damcv62  [Life Member]
8/13/2011 2:49:29 PM
I've been a fan of the 6920 for the longest time. I know the upgrades they did with the 6940, but I'm still stuck on the 6920. Of course if you are going to add rails to the 6920 later on, that $200 difference in price gets eaten up really fast.
35mm_Shooter  [Team Member]
8/13/2011 5:40:04 PM
Originally Posted By ErikTaylor:
Originally Posted By TheMercenary:
6940 does not offer enough real estate IMHO

I vote 6920 with your choice of 12" FF rail FTW


+1 identical thoughts!




Yeah, if you're this guy:

Accountant30339  [Member]
8/13/2011 11:03:24 PM
Originally Posted By home_alone1:
6920 with a set of KAC RAS seconds ( $150 ) and add to it as you get the cash


This is exactly what I did.

Accountant
DIESELSMOKE  [Member]
8/13/2011 11:17:36 PM
Just got a 6920 and love it.
TheMercenary  [Team Member]
8/13/2011 11:26:00 PM
Originally Posted By 35mm_Shooter:
Originally Posted By ErikTaylor:
Originally Posted By TheMercenary:
6940 does not offer enough real estate IMHO

I vote 6920 with your choice of 12" FF rail FTW


+1 identical thoughts!




Yeah, if you're this guy:

http://home.comcast.net/~gunruner1/images/extreme.jpg


Uh... No

I just prefer to have my VFG around 10" forward, and then my light goes in front of that... you do the math. In addition to that it gives you more sight radius for your BUIS.

I actually try to keep my accessories to a minimum on my rails (notice the QD light is off during the day) but thanks for your smart ass comment... GD is that way ––––->







LA_357SIG  [Team Member]
8/13/2011 11:29:44 PM
6920. Only because you have rail choices. Why marry yourself to one rail/upper.?
Cycline3  [Member]
8/14/2011 3:47:34 PM
This is a Win vs. Win argument. Both rock. Seriously rock. And many parts are common between them.

If you are talking real LE and not the new Sporter rollmark, then you have to realize the LE6940 is more collectible since it had less than a 2 year manufacturing range. In time, that WILL make a difference.

If you want rails, I'd just get the 6940 and be done with it. The price difference is eaten by the time you add rails to a 6920 and no rail will ever be as strong as the mono upper. And if you actually can break that mono upper, well, you deserve to pay to get it fixed cause you were a bad AR daddy.

In terms of the armorer's wrench, yes, it's expensive and if Colt keeps making the Sporter 6940, eventually someone else will make a wrench.

In terms of satisfaction, you'll love either, or there is something wrong with you! :)

Look at what is available to you and get what you can inside your budget. If that is a 6940, great, if a 6920, great too.
pun  [Member]
8/14/2011 4:31:00 PM
Although I voted 6920 for more of a stadardized rifle I have to say the monolithic upper is real strong and its nice to have a continuous rail especially if you mount BUIS then say aimpoint,magnifier and some kind of nightvision then 6940 is the way to go...even with a RAS system wich is real strong I would have better confidence in a solid continuous rail if thst what I wanted or needed..for me its just BUIS,Aimpoint and light so all I need is the flat top for space and a bayo lug mounted rail for the light..
Shawnmt6601  [Team Member]
8/14/2011 4:33:57 PM
the '40
OLI62  [Team Member]
8/14/2011 4:41:20 PM
Own both. Prefer my 6940.
KansasPaul  [Member]
8/14/2011 4:54:02 PM
Well, I expected to get a few responses but the response so far is pretty amazing - as are the opinions.

I want the reliability and quality of a Colt. This rifle will be a carrying rifle for hunting coyotes, it will likely see some time with a scope for some occasional P-dog shooting (no more than about 200 yards) in Colorado - just 'cause it can. It will spend plenty of time plinking 9 inch plates set up on my property - used, along with other firearms, to introduce youth to shooting - and as a "test mule" for my reloading addiction. The chosen rifle will be be shot A LOT but will be meticulously cared for between floggings. I want repeatability when swapping optics.

Knowing that barrel wrenches are available for the 6940..... I'm starting to lean that way.

Paul
gunner_71  [Member]
8/14/2011 5:13:54 PM
Originally Posted By KansasPaul:
Well, I expected to get a few responses but the response so far is pretty amazing - as are the opinions.

I want the reliability and quality of a Colt. This rifle will be a carrying rifle for hunting coyotes, it will likely see some time with a scope for some occasional P-dog shooting (no more than about 200 yards) in Colorado - just 'cause it can. It will spend plenty of time plinking 9 inch plates set up on my property - used, along with other firearms, to introduce youth to shooting - and as a "test mule" for my reloading addiction. The chosen rifle will be be shot A LOT but will be meticulously cared for between floggings. I want repeatability when swapping optics.

Knowing that barrel wrenches are available for the 6940..... I'm starting to lean that way.

Paul


can't go wrong with either one...be sure to post pics on whatever you get.
BallisticTip  [Team Member]
8/14/2011 5:48:50 PM
6920
35mm_Shooter  [Team Member]
8/14/2011 5:52:00 PM
Originally Posted By TheMercenary:
Originally Posted By 35mm_Shooter:
Originally Posted By ErikTaylor:
Originally Posted By TheMercenary:
6940 does not offer enough real estate IMHO

I vote 6920 with your choice of 12" FF rail FTW


+1 identical thoughts!




Yeah, if you're this guy:

http://home.comcast.net/~gunruner1/images/extreme.jpg


Uh... No

I just prefer to have my VFG around 10" forward, and then my light goes in front of that... you do the math. In addition to that it gives you more sight radius for your BUIS.

I actually try to keep my accessories to a minimum on my rails (notice the QD light is off during the day) but thanks for your smart ass comment... GD is that way ––––->

http://i400.photobucket.com/albums/pp81/TheMercenary556/2011-08-09_12-40-44_256.jpg



You are mounting your optics forward of your upper receiver, but are recommending against monolithics?
JameyF  [Member]
8/14/2011 8:32:02 PM
It's not very hard, and requires very few responses. But, as usual, the thread will go on for pages.

A) Are you against having a quadrail?
B) Are you against the added extra expense to pick your own rail and go through the effort to have it added?
C) Do you plan on shooting over 10k rounds in the not too distant future through this rifle?

If you can answer yes to A or B or C, then get the 6920, if not, get the 6940. I got the 6940, but I wouldn't mind getting a 6920 to go with it, but I would want the LE markings.
TheMercenary  [Team Member]
8/14/2011 10:54:25 PM
Originally Posted By 35mm_Shooter:
You are mounting your optics forward of your upper receiver, but are recommending against monolithics?


The barrel is attached to the upper via the barrel nut, and since the FF is attached to the barrel via the same barrel nut means it is just as structurally sound as the upper receiver... think about it

And I am NOT recommending against monolithic rails, I am recommending against a short 7" length rail. If they offered the same 6940 with a 10" monolithic rail I would jump all over one



mmmmmmatt  [Team Member]
8/14/2011 11:26:22 PM
Originally Posted By OLI62:
Own both. Prefer my 6940.


+1
103  [Team Member]
8/14/2011 11:52:21 PM
6920. Spend the extra $200 on some mags and a KAC RAS.
Barliman  [Team Member]
8/15/2011 12:28:36 AM

Originally Posted By KansasPaul:
Well, I expected to get a few responses but the response so far is pretty amazing - as are the opinions.

I want the reliability and quality of a Colt. This rifle will be a carrying rifle for hunting coyotes, it will likely see some time with a scope for some occasional P-dog shooting (no more than about 200 yards) in Colorado - just 'cause it can. It will spend plenty of time plinking 9 inch plates set up on my property - used, along with other firearms, to introduce youth to shooting - and as a "test mule" for my reloading addiction. The chosen rifle will be be shot A LOT but will be meticulously cared for between floggings. I want repeatability when swapping optics.

Knowing that barrel wrenches are available for the 6940..... I'm starting to lean that way.

Paul

Another vote for the 6940. I love mine. Right out of the box it is ready for everything you describe above. The monolithic rail makes it very accurate and there is plenty of real estate. I have an EOTech EXPS 3 that cowitnesses with the BUIS and stays on when I put the NVD on it. In less than 30 seconds, I can pull off the EOTech and replace it with a 3-9x40 when shooting at smaller targets.

I dropped in a 4 lb trigger so I could better realize the accuracy of the rifle. I also bought a Mako GL-Shock stock for the adjustable cheek riser.
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