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View Full Version : Colt IAR6940 Progress


minuteman1636
09-25-17, 05:27
One step closer to piecing together a semi-auto Colt Infantry Automatic Rifle (IAR). While surfing GunBroker I found an LE6940 lower receiver set for sale. I had to have it to put on my IAR6940 upper receiver. I have a VLTOR Emod stock ordered to make the stock correct. I still need to buy a Colt charging handle and Colt bolt carrier group to make it a complete functioning weapon.

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masakari
09-25-17, 06:36
You'll need a TA11 ACOG SDO to go with it, too.
Cold/Bore
09-25-17, 06:48
Where did you get the upper?
minuteman1636
09-25-17, 07:05
Where did you get the upper?

Two places have the uppers advertised. Aimsurplus and US Armamant Corporation. I tried to buy from Aim Surplus first but kind of got the run around. I then learned about US Armament Corporation. They are actually the company that manufacturers the uppers for Colt. They have them listed at https://www.usarmcorp.com/parts/part-list. I had a flawless transaction with great communication through USARMCORP.
minuteman1636
09-25-17, 07:22
You'll need a TA11 ACOG SDO to go with it, too.

Why do you state the TA11 SDO?

I'm curious as I have never seen any optics referenced in the prototype phase of the IAR trials. Mexico is the only country to actively use the IAR and the photos that I have seen show iron sights.

Thanks for the input.
Cold/Bore
09-25-17, 09:37
Two places have the uppers advertised. Aimsurplus and US Armamant Corporation. I tried to buy from Aim Surplus first but kind of got the run around. I then learned about US Armament Corporation. They are actually the company that manufacturers the uppers for Colt. They have them listed at https://www.usarmcorp.com/parts/part-list. I had a flawless transaction with great communication through USARMCORP.

Didn't know they were for sale. Cool project! I would like to see more pics. Could we get some shots of the internals of that beast? I'm curious what that heat sink looks like and how it attaches to the barrel. Could we get you to disassemble it and snap some shots?
Hammer_Man
09-25-17, 09:42
Looks like a cool project! How much does that upper weigh? I imagine it makes for a pretty nose heavy rifle.
minuteman1636
09-25-17, 12:37
I'm deployed right now. I have not handled the upper yet. My wife sent me several photos of the upper when it arrived at the house. I will take and post more detailed photos when I get home in December.
minuteman1636
09-25-17, 13:26
You'll need a TA11 ACOG SDO to go with it, too.

Did some research...I like your recommendation. That just may be the optic to get. Pricey but would be optimal.
Cold/Bore
09-25-17, 16:17
I'm deployed right now. I have not handled the upper yet. My wife sent me several photos of the upper when it arrived at the house. I will take and post more detailed photos when I get home in December.

Awesome! Until then, stay safe!
indianalex01
09-27-17, 18:32
I just ordered 1 today from with knights rear sight. I already have a Colt lower, morgen ambie mag release, colt ambie selector, H2 buffer. I need a bolt carrier group. I found a colt enhanced extractor spring as well. I am going to mount my aimpoint pro on it. I will post pics when done. Hopefully next week.

I just got a full auto Colt BCG from AU. Also a vltor ambie charging handle. I also already had a grip pod from when I was in the Corps. I should have pics by mid-end of next week. I have everything in hand or on order.
Averageman
09-28-17, 17:30
I'm deployed right now. I have not handled the upper yet. My wife sent me several photos of the upper when it arrived at the house. I will take and post more detailed photos when I get home in December.

Some guys get porn, some guys get gun porn.
Looks like a cool project.
indianalex01
09-28-17, 17:49
I was thinking about doing the project and talked to some guy about it who has one. I'm pretty pumped up about it. I'm thinking about using my Colt Mexican marked lower on it just to really make it "Mexican Marine style". This pic is a Mexican Marine with one. Pretty cool.47734

Got my IAR done. 4783947840
masakari
10-03-17, 22:49
Got my IAR done. 4783947840

The drum magazine is very fitting.
Any plans to get an SDO?
indianalex01
10-04-17, 00:54
What is an SDO? I feel stupid even asking because I know it's stands for something I'm sure I know.
minuteman1636
10-04-17, 02:03
Man that looks great Alex. I can't wait to get ahold of mine. What did you use for your lower? SDO is a USMC acronym for Squad Daylight Optic.

Here is the optic that Masakari is referring to. https://www.trijicon.com/na_en/products/product3.php?pid=TA11SDO-CP
indianalex01
10-04-17, 11:14
Gotcha. Thanks. After 05 I was on recruiting..lol. I know what that is. Just hadn't seen that. No I probably won't put that on. I am going to keep it set up like the pics. Thanks
minuteman1636
10-04-17, 11:24
I like the SDO but at $2400 it is hard to justify. I could add a couple of more Colt's to the collection at that rate.
ginzomatic
10-04-17, 11:35
Got my IAR done. 4783947840


Nice shooter Master Guns!
indianalex01
10-04-17, 11:52
Agreed
Hammer_Man
10-04-17, 21:45
I like how that turned out, looks bad ass! Now go shoot it, and post the video!