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View Full Version : For your OLL-Colt LE6940CK Upper Assembly release for commercial market-pix


SMGLee
09-24-2009, 11:42 AM
For the first time as long as I can remember, Colt has released complete upper for sale in the commercial market. This is a monumental step on colt's part as to their commitment to the Civilian market.

Available for purchase are Colt LE 6940CK and LE6920CK, the CK part of the part number denotes this as an upper assembly only.

There is no what so ever difference between the complete rifle or the upper assembly. CK might stand for Component Knockdown.

I recently picked up a Colt LE6940 for my California registered Colt lower.

Interestingly, my lower has a small pivot pin hole and mate to the mil-spec small pivot pin of the Colt upper perfectly. Another step for Colt is to merge the mil-spec aspect of the Colt defense guns to the commercial market offers.

http://photos.imageevent.com/smglee/clt2/huge/P1010524.jpg

http://photos.imageevent.com/smglee/clt2/huge/P1010543.jpg

http://photos.imageevent.com/smglee/clt2/huge/P1010525.jpg

SMGLee
09-24-2009, 11:42 AM
http://photos.imageevent.com/smglee/clt2/huge/P1010526.jpg
The silver tab below the rail are the detent for the lower rail take down catch.

http://photos.imageevent.com/smglee/clt2/huge/P1010527.jpg
Not something you can do with your finger unless you have the finger of a small child, but a simple as a bullet tip will do the job just fine.

http://photos.imageevent.com/smglee/clt2/huge/P1010528.jpg
Detent catch

http://photos.imageevent.com/smglee/clt2/huge/P1010530.jpg
Gov't profile 16.1inch M4 barrel, unlike the LMT MRP, the Colt 6940 will take a standard mil-spec barrel. with the right tool, you can actually drop a 10.5inch barrel into the platform and make it into a modern CQB-R

http://photos.imageevent.com/smglee/clt2/huge/P1010532.jpg
The 16.1inch M4 barrel are standard mil-spec affair, chrome lined, M4 feed ramp, MP tested, and 1:7 twist to best fit ammunition from 55gr to 77gr.

http://photos.imageevent.com/smglee/clt2/huge/P1010545.jpg

SMGLee
09-24-2009, 11:44 AM
http://photos.imageevent.com/smglee/clt2/huge/P1010531.jpg

http://photos.imageevent.com/smglee/clt2/huge/P1010532.jpg

http://photos.imageevent.com/smglee/clt2/huge/P1010534.jpg
Cast flip up front sight gas block

http://photos.imageevent.com/smglee/clt2/huge/P1010535.jpg
Notice the hole opening, this was originally design for the model 1020 piston carbine, which was reveal during the 2006 Shot show. Although the piston is still an in house project and the engineering team took the basic 1020 design and came up with the LE6940. the hole is mostly likely left for the piston assembly in case for a future release. few CNC steps and this can be a piston ready gas block.

http://photos.imageevent.com/smglee/clt2/huge/P1010536.jpg
The front sight kept the usual M16 front sight blade profile.

http://photos.imageevent.com/smglee/clt2/huge/P1010537.jpg

SMGLee
09-24-2009, 11:44 AM
http://photos.imageevent.com/smglee/clt2/huge/P1010538.jpg
The detent for the flip up front sight are friction lock with no extra button to push for deployment. This sight has a pretty heavy spring detent so it will not be easily knock down during deployment.

http://photos.imageevent.com/smglee/clt2/huge/P1010540.jpg

http://photos.imageevent.com/smglee/clt2/huge/P1010541.jpg
Like the Colt LE6940 carbine, the LE6940CK comes with the US Army approved Matech rear sight.

http://photos.imageevent.com/smglee/clt2/huge/P1010544.jpg
Bolt carrier group are the proper M16 affair, this give the gun better felt recoil and timing even during semi auto fire.

SMGLee
09-24-2009, 11:45 AM
http://photos.imageevent.com/smglee/clt2/huge/P1010551.jpg
I drop the LE6940CK right on top of my California Registered COlt AR15 HBAR lower. added the components below
LMT SOPMOD stock with Colt buffer tube and H2 buffer
MidWest Ind. SPLP rear BUIS
ADM EOTech quick release Riser
EOTech XPS-3
Surefire M900 Scout with the latest 120 Lumen TIR lamp assembly
TangoDown QD vertical grip
TangoDown BG16 pistol grip
TangoDown rail panels

http://photos.imageevent.com/smglee/clt2/huge/P1010552.jpg
This will effectively become my primary carbine for the foreseeable future replacing my LMT MRP CQB.

http://photos.imageevent.com/smglee/clt2/huge/P1010553.jpg
Compare to my LMT MRP, so far the gun feels lighter, thus point from target to target faster, the lower to upper are nice and tight, and the balance is superb. I plan on attending the Surefire Low light carbine operator course this weekend with Bill Murphy and will give this gun a good test.

http://photos.imageevent.com/smglee/clt2/huge/P1010557.jpg
My new Colt LE6940CK compare to my ole trusty LMT MRP CQB.

technique
09-24-2009, 11:50 AM
Thanks SMG....I ****ing Knew Colt would thats a popular upper. Hopefully it will drive the cost of the take off 6940 uppers down.

djleisure
09-24-2009, 11:51 AM
Nice! Very thorough breakdown of this excellent upper!

CA Gun Laws Suck
09-24-2009, 11:54 AM
Sweet photos! Looks awesome I think I need one.

NSR500
09-24-2009, 11:54 AM
Very nice, Thanks for the write up!

SCMA-1
09-24-2009, 11:57 AM
Botach Defense has the uppers for $925.

Bowser
09-24-2009, 12:03 PM
I might get the 6920 upper over BCM's middy.

TZL
09-24-2009, 12:04 PM
Will Botach sell it to mere citizens?

Botach Defense has the uppers for $925.

technique
09-24-2009, 12:09 PM
Will Botach sell it to mere citizens?

if not, Specialized Armament always has Colt uppers including the 6940. Not under th $1000 mark though.

SMGLee
09-24-2009, 12:30 PM
Colt LE6940CK is available through various Colt authorized dealer, you can buy this upper from any authorized Colt dealers for around 1k or lower.

evidens83
09-24-2009, 12:34 PM
Excellent write up! Cant afford one but a man can daydream cant he!

CHS
09-24-2009, 12:35 PM
Now if only they would start selling the 6920 and 6921 uppers seperately!

Everyone in the world wants a "real" Colt M4.

Bowser
09-24-2009, 12:50 PM
Now if only they would start selling the 6920 and 6921 uppers seperately!

Everyone in the world wants a "real" Colt M4.

Lee said they are releasing the 6940 and 6920, but not the 6921 (14.5"?).

CHS
09-24-2009, 1:40 PM
Lee said they are releasing the 6940 and 6920, but not the 6921 (14.5"?).

Hrm, I re-read the whole thing again and still can't see where he said that.

Regardless, it's cool. I'm glad colt will be releasing the 6920. That's what everyone wants.

And I had to read the damn patent just to figure out how they install the barrel!!!

Bowser
09-24-2009, 1:50 PM
Available for purchase are Colt LE 6940CK and LE6920CK, the CK part of the part number denotes this as an upper assembly

I believe this is it. Hopefully it will be cheaper than the 6940 version.

CHS
09-24-2009, 1:58 PM
I believe this is it. Hopefully it will be cheaper than the 6940 version.

D'OH!!! I thought both of those said 6940 for some reason.

Thanks!

Yeah, a 6920 upper should be quite a bit cheaper than the 6940 since it won't have the monolithic upper.

Q
09-24-2009, 2:00 PM
Maybe a sign of the economic times..:eek: Interesting patent molding.
I have a similar build planned but really like the look of the 6940. I hope they make the 1020 upper available. I would buy one for sure.:cool:

norcal-ar
09-24-2009, 2:19 PM
do these uppers have the small take down pin holes?

Q
09-24-2009, 2:20 PM
do these uppers have the small take down pin holes?

yes

SCMA-1
09-25-2009, 8:35 AM
Will Botach sell it to mere citizens?

Sure.

http://www.botachtactical.com/colemoupas.html

They'll pick up CA sales tax with this code:

http://www.botachtactical.com/canosalestax.html

bwiese
09-25-2009, 8:59 AM
For the first time as long as I can remember, Colt has released complete upper for sale in the commercial market. This is a monumental step on colt's part as to their commitment to the Civilian market.


Perhaps you are young or your memory slipped.... Colt sold many factory-boxed "conversion uppers" in the 1990s. They included installation instructions and were not "take-offs". Production seemed to die off in 98-99, perhaps because there was enough inventory in pipeline [lotsa folks didn't wanna buy non-chrome-lined HBARs, the 7.62x39 conversion had issues, etc.]

JPB
09-25-2009, 2:24 PM
Perhaps you are young or your memory slipped.... Colt sold many factory-boxed "conversion uppers" in the 1990s. They included installation instructions and were not "take-offs". Production seemed to die off in 98-99, perhaps because there was enough inventory in pipeline [lotsa folks didn't wanna buy non-chrome-lined HBARs, the 7.62x39 conversion had issues, etc.]

Correct, I personally picked up a 6721 and a 6520 upper back then. Wasn't a whole lot of competition either. Oly, Bushmaster, ASA, were about it. Nowhere near the number of high quality options we have now. It was either a Colt, or obviously inferior. Now there's a number of high quality offerings.

wash
09-25-2009, 2:31 PM
Is there any chance of getting just that gas block?

I kind of like it.

Q
09-25-2009, 4:12 PM
Is there any chance of getting just that gas block?

I kind of like it.

It has a special shim underneath the gas block, probably not able to switch to another barrel. I'm guessing it's supposed to work like a gasket on a turbo flange.

Vltor makes a nice folding gas block.
http://www.vltor.com/vst.htm

CHS
09-25-2009, 4:39 PM
It has a special shim underneath the gas block, probably not able to switch to another barrel. I'm guessing it's supposed to work like a gasket on a turbo flange.

Vltor makes a nice folding gas block.
http://www.vltor.com/vst.htm

Underneath? Or behind? Looks like there's a spacer shim behind the gas block at the barrel shoulder. That would be to fill in the space that's "missing" from a handguard end cap.

ARMS 41B sights ship with those as well.

You could still install the gas block without that shim, as long as it was spaced appropriately far from the shoulder to allow the gas ports to line up.

SMGLee
09-25-2009, 4:43 PM
Is there any chance of getting just that gas block?

I kind of like it.

I might switch out the gas block, i will keep you posted.

C123K_LoadMaster
09-26-2009, 6:26 AM
Here are the instructions that were packed with the upper kits Colt sold back then.

http://www.fototime.com/EBFB871071BB4F7/standard.jpg

http://www.fototime.com/180968AEE9A4AA3/standard.jpg

http://www.fototime.com/0A90942E6C1AC25/standard.jpg

http://www.fototime.com/14886C4EE21A3D0/standard.jpg

http://www.fototime.com/B43E36C34863AB8/standard.jpg


Perhaps you are young or your memory slipped.... Colt sold many factory-boxed "conversion uppers" in the 1990s. They included installation instructions and were not "take-offs". Production seemed to die off in 98-99, perhaps because there was enough inventory in pipeline [lotsa folks didn't wanna buy non-chrome-lined HBARs, the 7.62x39 conversion had issues, etc.]

KAVEMAN762
09-26-2009, 8:40 AM
for the price, it would be nice if the gas block sight was at least made from billet instead of a casting...Other than that its awesome...

CHS
09-26-2009, 9:40 AM
for the price, it would be nice if the gas block sight was at least made from billet instead of a casting...Other than that its awesome...

Seriously? It's a sub-$1000 monolithic-rail upper that's a GENUINE Colt. Seems like a pretty damn good deal to me, actually.

Especially when you consider that those uppers have been going on gunbroker for $1200-$1500 as take-off's.

Standard AR's used just a plain-jane forged gas block, what's wrong with them? They're rock solid and don't fail. Billet is another word for "lets spend more money even though there's no benefit".

SMGLee
09-26-2009, 7:37 PM
Perhaps you are young or your memory slipped.... Colt sold many factory-boxed "conversion uppers" in the 1990s. They included installation instructions and were not "take-offs". Production seemed to die off in 98-99, perhaps because there was enough inventory in pipeline [lotsa folks didn't wanna buy non-chrome-lined HBARs, the 7.62x39 conversion had issues, etc.]


Good point, i forgot about those uppers, but 8 years is still a long time and this time, Colt is offering the same uppers as the carbine they are selling.

Those were to used as a conversion, the new uppers that is being released now is actually target at the blooming tactical carbine market for shooters to complete the lower receiver they have with them.

Wait till Colt start selling parts, barrels, uppers, lower parts kit, bolt, carriers, buffer tubes...etc.. etc...

KAVEMAN762
09-27-2009, 11:00 PM
Seriously? It's a sub-$1000 monolithic-rail upper that's a GENUINE Colt. Seems like a pretty damn good deal to me, actually.

Especially when you consider that those uppers have been going on gunbroker for $1200-$1500 as take-off's.

Standard AR's used just a plain-jane forged gas block, what's wrong with them? They're rock solid and don't fail. Billet is another word for "lets spend more money even though there's no benefit".

Because castings look like the wrinkles on my 8all$ack. Im just saying casting is cheap, why cut the corners on a quality upper like a Colt? Dont get all butt hurt..... I know it does nothing but improve "looks", but it deserves nicer parts since everything else is top notch.... And there is nothing wrong with cast, it works just fine. Its just my opinion...........Its like buying a corvette zr1 that comes with 4 steel spare tires.........

skkeeter
09-27-2009, 11:22 PM
Because castings look like the wrinkles on my 8all$ack. Im just saying casting is cheap, why cut the corners on a quality upper like a Colt? Dont get all butt hurt..... I know it does nothing but improve "looks", but it deserves nicer parts since everything else is top notch.... And there is nothing wrong with cast, it works just fine. Its just my opinion...........Its like buying a corvette zr1 that comes with 4 steel spare tires.........

I consider a Colt to be more like a work truck, instead of a sports car. JMO

B Strong
09-28-2009, 7:02 AM
Man! That looks like a cool piece.

Greg-Dawg
09-28-2009, 7:06 AM
How much and will it fit my Rock River Arms lower?

wash
09-28-2009, 7:23 AM
Because castings look like the wrinkles on my 8all$ack. Im just saying casting is cheap, why cut the corners on a quality upper like a Colt? Dont get all butt hurt..... I know it does nothing but improve "looks", but it deserves nicer parts since everything else is top notch.... And there is nothing wrong with cast, it works just fine. Its just my opinion...........Its like buying a corvette zr1 that comes with 4 steel spare tires.........
It's a forged part, not a casting. There is a difference.

Functionally it's identical to a piece made from billet except it's probably lighter and possibly stronger.

I try to place function above form and this one does fine.

KAVEMAN762
09-28-2009, 7:49 AM
It's a forged part, not a casting. There is a difference.

Functionally it's identical to a piece made from billet except it's probably lighter and possibly stronger.

I try to place function above form and this one does fine.

Someone said it was a cast part, so that is what I assumed. And I know the differences.... I try to place function above form also, but in this case either way will perform GOOD, hence, "I know it would only be for looks"....For a workhorse truck, it could have better shoes. All Im saying.