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Thread: Colt LE6940P!

  1. #31
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    Quote Originally Posted by C4IGrant View Post
    Yes on a normal gas key, not on this one. The reason is because the gas key is so hard that you cannot do it.



    C4
    That explains why I had such a hard time trying to stake my old LWRC carrier key lol.
    Between two groups of people who want to make inconsistent kinds of worlds, I see no remedy but force. - Oliver Wendell Holmes.

  2. #32
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    Honestly, this reminds me of the old-school Adams Arms piston conversion kit.

    Looks like Colt went cheap with the carrier.

    ... and what's up with that barrel profile? Why does it need an M203 notch if you can't remove the bottom rail to install that style of M203 mount?
    Last edited by justin_247; 03-14-12 at 05:09.

  3. #33
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    From the pix it looks like the bottom section can be removed independantly.

  4. #34
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    I'm too old to start fooling with new fangled doo-dads. I'll stick with my 6920.

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  5. #35
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    Quote Originally Posted by !Nvasi0n View Post
    Wow...simply wow. You guys are amazing! You tear apart every other Piston system on the planet, but since it's colt it seems like we have a small band wagon jumping ship "oh it's not that bad, I think it will pan out ok" WTF!

    I'm not mad it's just funny to me matter of fact I have always liked the piston system idea...the DI has been perfected of 40 years. And now we'll spend the next 40 perfecting the piston platform Stoner.

    On the flip...I really do like it. And knowing Colt, I'll bet the price point isn't ignorantly high!

    Good luck keeping em' on the shelf Grant!
    For me, I will take a DI AR over a Piston AR. With that said, Colt has a lot of knowledge on building combat grade weapons and if anyone can get a piston AR to run well, it will be them.




    C4

  6. #36
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    Quote Originally Posted by uniform64 View Post
    Thanks for the post Grant. Is this CA legal?

    BTW Grant, I got my VCAS, thanks.

    Ray
    I would assume so as it has a "P" after the 6940. So you would just need a BB & 10rd mags and be GTG.


    C4

  7. #37
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    Quote Originally Posted by MikeCLeonard View Post
    I understand that it's preferable to have a very hardened gas key if it's going to be whacked by an op-rod repeatedly...but I don't see how hardness will decrease the probability of the gas key coming lose? Won't the gas-key on the piston gun take more of beating than the gas key from a DI carbine? Just seems to me like it would be MORE important for this rifle to have a staked gas key...that, or a one-piece carrier.

    As for the screw in the upper receiver to prevent cam-pin wear...I know that it happens a bit more on piston uppers than DI uppers...but are there any associated problems with cam-pin wear? I've never heard of that causing operational issues in an way...for any rifle.

    One more questions...and I apologize if it's been stated already, but does this Colt have an adjustable gas setting for suppressed shooting?

    Thanks for the pics and info Grant!

    I do not argue your POV at all, but I can see that there is some kind of adhesive here and my guess is that it isn't going any where without a blow torch.

    No on the adjustable gas setting, but I believe they did it on the one they submitted to the .Mil testing.


    C4

  8. #38
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    Quote Originally Posted by GTifosi View Post
    From the pix it looks like the bottom section can be removed independantly.
    Correct.


    C4

  9. #39
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    Quote Originally Posted by C4IGrant View Post

    What is the purpose of what appears to be a button head screw in the locking pocket for the cam pin?

    Wave off... I just saw your response above to the same question.
    Last edited by MarkG; 03-14-12 at 10:24.

  10. #40
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    I couldn't agree more...Like it or not I think the piston is going to continue to evolve till the mil accepts one and makes a mil-spec standard for its materials, design, manufacturing, etc. I think some day probably 40 years down the road it will be completely perfected just like the DI system.

    Until that point, I look forward to the continued pissing matches on here regarding the two systems.

    BTW, any idea what the price will be? I'm looking to step into a tier platform...and I'd like to buy one from you

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