Help me choose!

This is a discussion on Help me choose! within the Defensive Rifles & Shotgun Discussion forums, part of the Related Topics category; CMMG wasp Has some features I really like but is direct gas impingment. wasp.jpg or CMMG L4 piston driven. Less cool stuff but piston driven. ...

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Thread: Help me choose!

  1. #1
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    Help me choose!

    CMMG wasp Has some features I really like but is direct gas impingment.

    wasp.jpg


    or

    CMMG L4 piston driven. Less cool stuff but piston driven. Price is about the same as the wasp.

    cmmgfm4lepii.jpg


    Which gun and why please. I'm not all that savvy when it comes to AR's so fill me in guys.
    It is surely true that you can lead a horse to water but you can't make them drink. Nor can you make them grateful for your efforts.

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    VIP Member Array Cuda66's Avatar
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    Not certain what type of piston the CMMG uses...but, if it's a short stroke, carrier tilt issues have been rearing up in the piston AR's out there.

    Personally, I have no issues with DGI rifles; if you clean it fairly regularly, and run the bolt wet, you shouldn't ever really have a problem. I've got a couple rifles that I've put over 500 rounds through in an afternoon, without a single problem...

    I guess, to me, piston drives make sense in SBR'd and full auto AR's...

    ETA--as to the which and why...

    If you like the features of the Wasp, go with that; but, then again, if you are sold on piston drive, you can always add features you like (such as the rail, etc) to it later.

    Guess I'd get the Wasp, though.
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    What are the features that you really like on the WASP, as compared to the other one?

    What do you want to be using your AR for?
    Fortes Fortuna Juvat

    Former, USMC 0311, OIF/OEF vet
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  5. #4
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    Quote Originally Posted by buckeyeLCPL View Post
    What are the features that you really like on the WASP, as compared to the other one?

    What do you want to be using your AR for?
    I like that it comes with a rail (saves me from buying one later)
    It has the bull bbl.
    W.A.S.P. is an acronym for some sort of special coating from cmmg that is supposed to be very durable.

    That is what I like.

    I will be using it for competitions and heaven forbid EOTWAWKI.
    It is surely true that you can lead a horse to water but you can't make them drink. Nor can you make them grateful for your efforts.

  6. #5
    Member Array faithmyeyes's Avatar
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    The research I've done seems to indicate that the vast majority of shooters will be served very well by either a piston or DI gun, provided both are a proven design, made of quality components, and properly maintained. Given that, I would (and did) save the additional cost of a piston for other things.

    Are you sure you want a bull barrel? If you're doing much more than benchrest shooting, those things are heavy on your support arm. If you can, find one in a shop somewhere and handle it - see how it feels to you.

    What are the prices on these guns, if you don't mind my asking?

  7. #6
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    Well Timmy,
    I'd check with people who do the competitions in your area, and what kind of system most of them use, piston or gas impingement.

    Now, I know that piston driven AR's are the new in thing these days, but honestly, I've never really gotten to run one. My issued 16A4 has the saame gas impingement system that has been used in 16's and AR's for since they started being made. And I have shot hundreds of rounds out of it on some days. And that was in the desert where clp is used very sparingly to avoid it attracting grit into the action. Of course, it also has a full length system, and not a shortened M4 system, but I have seen them do the same thing.

    If you like the features on the gas impingement more, than I'd go with that one personally, but that is just me, and I don't really have issues with the gas system. I'm sure someone on here will be able to make good arguments as to why you should go with the piston one though.
    Fortes Fortuna Juvat

    Former, USMC 0311, OIF/OEF vet
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    $850 and $900 respectively IIRC.
    It is surely true that you can lead a horse to water but you can't make them drink. Nor can you make them grateful for your efforts.

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    Distinguished Member Array AutoFan's Avatar
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    I'd check and see what the 3-gun competitors are running, they seem to push the envelope right now.

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    Senior Member Array High Altitude's Avatar
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    I think it is too soon to be purchasing a piston driven ar15. I am going to wait until the market flushs out the junk and the couple setups that really work stand out.

  11. #10
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    The piston driven systems do seem to run cooler and cleaner. That being said the gas system has served us well for MANY years. I don't think the gas system is bad, the piston system seems to be good as well. The HK416 runs it, and everything I have read about them is positive. I really dont think you'll be disappointed either way with what you are planning on doing with it.
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    Senior Member Array Sarge45's Avatar
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    Get the DI. There are too many complaints regarding "carrier tilt" right now with the piston versions.

  13. #12
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    All my AR's are DI, simple and proven.
    "There is a secret pride in every human heart that revolts at tyranny. You may order and drive an individual, but you cannot make him respect you." William Hazlitt (1778 - 1830)

    Best Choices for Self Defense Ammunition

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    Member Array Goodtime Charlie's Avatar
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    Watching this video may help you decide which you want.

    YouTube - Piston vs DI Dilemma: The AR-15 Gas Choice

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    shameless bump!
    It is surely true that you can lead a horse to water but you can't make them drink. Nor can you make them grateful for your efforts.

  16. #15
    Senior Member Array Sarge45's Avatar
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    Order you a BCM middy and be done with it.

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