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Thread: Piston or Gas?

  1. #31
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    ive heard from the more reliable guys on these forums that if your gunning for accuracy as your objective, than D.I. is much better than piston. That was enough said for me til i get my fill on all the different models of DI guns i want.

  2. #32
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    Buy a quality DI gun; Noveske, Larue, Daniel Defense, Colt, LMT to name a few. For a complete gun, the new DD M4 is hard to beat for what you're getting. Larue uppers are priced very reasonably as well for what you're getting.

  3. #33
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    sounds good guys, i think i got my answer. Ill go with a DI system for a while, though the cost of a piston gun will keep me away from it for a while. If i ever get the bank or interest in a piston gun ill just buy an upper later. Thanks for the info guys, but i got one more question, im probably gonna build my upper like im doing my lower, my local gun shop just got some stripped uppers from YHM, they pretty decent? 125$ last i checked, they got the forward assist and dust cover installed
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  4. #34
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    YHM is fine. Just make sure you get a good BCG. Since you have the option, I would go with a match grade.

  5. #35
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    yeah a match grade was kinda my thinkin too, though i might just get a decent one and upgrade later, bank is low for the time being
    "Calling an illegal alien an undocumented immigrant is like calling a drug dealer an unlicensed pharmacist"

    If you can't get behind our troops feel free to stand in front of them

  6. #36
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    Wink

    this is what i overheard from a (retired) HSLD gent this weekend.

    1) piston guns, when combined with a suppressor, are murder on the internal parts as the bolt comes back with greater force than with a gas gun.

    this is what i experienced this weekend.

    1) piston parts can and do break.
    Doing my part to keep malls safe

  7. #37
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    Quote Originally Posted by Thomas M-4 View Post
    15 months if AWB2 hasn't by then I would be looking for a FN scar or an ACR
    you would have enough coin for that
    good call

  8. #38
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    Quote Originally Posted by 30 cal slut View Post
    this is what i overheard from a (retired) HSLD gent this weekend.

    1) piston guns, when combined with a suppressor, are murder on the internal parts as the bolt comes back with greater force than with a gas gun.

    this is what i experienced this weekend.

    1) piston parts can and do break.


    Wait a minute....does this appy to SBR's?? I thought cans, SBR's and pistons were the only way to go??
    "You cannot invade the mainland United States. There would be a rifle behind each blade of grass."
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  9. #39
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    Quote Originally Posted by Artos View Post
    Wait a minute....does this appy to SBR's?? I thought cans, SBR's and pistons were the only way to go??
    With the sig 556, FN scar, and ACR are designed from the outset to run a short stroke gas piston and should work great as SBR's though a can .
    DI gas can be made to work with SBR's and cans with switch blocks or enhanced carriers.
    I would rather tune my Porsche engine to work as best as it could with a exhaust system than sticking a honda engine in the front because it works good in the civic.

  10. #40
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    Quote Originally Posted by dmanflynn View Post
    sounds good guys, i think i got my answer. Ill go with a DI system for a while, though the cost of a piston gun will keep me away from it for a while. If i ever get the bank or interest in a piston gun ill just buy an upper later. Thanks for the info guys, but i got one more question, im probably gonna build my upper like im doing my lower, my local gun shop just got some stripped uppers from YHM, they pretty decent? 125$ last i checked, they got the forward assist and dust cover installed
    very sorry to read that you are going with the gas D.I., i believe you need to reconsider your choice, i have been shooting a piston ever since Paul Leitner-Wise converted a Colt 6721 upper for me, and has 5,720 rounds thru it, (i keep track of every round i fire and every misfire, jam, FTF, etc. ) the carrier has a "boss" on the rear of the carrier that reduces carrier tilt to a minimum, DOES NOT ELIMINATE TILT, just reduces it, i also have three other LWRC & LWRCI piston carbines and they run flawlessly, as someone mentioned they do NOT burn off the lube, they eliminate the heat that is directed into the action and rounds in the mag.

    my target/sniper rifle is a Colt D.I. with 20" barrel and if i could convert it to piston i would do so, she is pretty accurate as is but i still like the BCG and lower parts to be void of the crud build up and heat

    the above is my OPINION and NOT to be construed as an endorsement of any brand or company i just love pistons.., no mater who makes them as long as they are HIGH QUALITY

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