The Dardick revolver

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Mechanix Illustrated has an article online, first published in 1957, about “revolutionary” The Dardick revolver and its triangular rounds (Trounds).

I wonder how reliable those guns were. I imagine that the design would have combined and amplified the feeding problems associated with autoloaders and the heavy trigger pull of double action revolvers.

[ Many thanks to Sven (Defense and Freedom) for emailing me the the info. ]


Steve Johnson

Founder and Dictator-In-Chief of TFB. A passionate gun owner, a shooting enthusiast and totally tacti-uncool. Favorite first date location: any gun range. Steve can be contacted here.


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  • allen

    Interestingly enough, Numrich gun parts company bought out all the remaining parts when the Dardick Corp. went out of business, and still lists the parts for sale on their website.

  • Tahoe

    I’m not familiar enough with the details of firearms regulations (much like many BATF personnel!), so for those who are: what are the regulations on something like this, a pistol which can be converted into a rifle? The twist here is that you aren’t just adding a stock to a handgun, it appears to be an interchangeable “chassis”.

  • adler

    the photos of Dardick guns are so hard to find! i read about it years ago, supposedly they were quite reliable. what killed the idea was their high price.

  • http://www.aaronmbrown.net/blog Aaron

    My father’s a cartridge collector and he has one of the Dardick Trounds in his collection. I’m pretty sure it was one of the later trounds used in drilling. (My father’s day-job at the time he acquired it was as a mining engineer.) It’s an interesting round. The convex triangular casing makes the rounds pretty sizeable, but surprisingly light. I seem to recall the one my father has being cased in a soft plastic of some sort.

    It’s an interesting concept, but I imagine that, ultimately, trounds were simply an answer in want of a question.

  • Redchrome

    I think I remember seeing one on the Discovery Channel or TLC or History Channel; and they had someone shoot it. The shooter claimed the rounds were $50/ea because of their rarity today. I think it misfired a couple of times before it went off.

  • mjr lorenco _(republic of kosovo)

    interesting but bulcky ;)

  • Beaumont

    I recall reading some accounts that feeding was good, but you’re right about the trigger. The triangular rounds stack neatly in the magazine. the top one is picked up by the rotor and rotated into firing position as the trigger is pulled.

  • http://homeplace-artsstuff.blogspot.com Arthur B. Burnett

    Greetings from Texas,
    I was allowed to handle one of these at a gunshow in Austin, Texas in the mid 1980’s. It felt good, which I didn’t expect. The guy had a full box of trounds and spent the weekend refusing to part it out or sell it seperately. I don’t recall the price other than to think it was extremly high.
    I believe one of these was featured in a science fiction movie back “in the day”. Does anyone else recall that, and possibly the name of the film?

  • “gunner”

    i handled a dardick revolver, but did not fire it, at chic gaylord’s shop on west 47th street, just down from the old 16th precinct cop shop, many years ago. it was a clumsy, unhandy thing in reality. i believe, if memory serves, that trounds were stored in the butt, as a magazine, and fed up to the cylinder as it rotated. the “trounds” were a greasy feeling nylon plastic, and i believe there were also plastic adapters said to be able to enable use of standard ammo, though i’ve never seen one. i thought then, and still do, that the dardick was an answer in search of a question.

  • Royi

    They apparently reanimated the concept some time later, for use in automatic cannons with an external powersource.

    For instance:
    http://www.youtube.com/watch?v=MTh0EMAH99A
    (.50 Tround)

  • Bryan S.

    They also made trounds that ocould hold a normal bullet case, so you could just use them as adapters for .38 Sp or 22lr. I have always wanted one of those, and figure it wouldnt be too hard to get a few hundred of the adapter trounds made up.

  • Martin

    Good video Royi. I always thought the idea of the tround was to increase magazine capacity by using a more efficient shape. After a little research, I realize that Dardick’s main goal was the open chamber, and the tround evolved to fit it. The problem I see is that it will always behave like a revolver and never have a tight gas seal. That might be ok for a handgun, or even a carbine, but all that flash wouldn’t be acceptable for a rifle. Even if they created a seal system like the Nagant, I don’t think it would be adequate enough for high powered rounds.

  • http://www.thegunzone.com/556dw.html Daniel E. Watters

    Back in the 1960s, Dardick helped TRW develop a high-speed, multi-barrel rotary machinegun for the Tround. I mentioned the HIVAP here before regarding its use of DU flechette.

  • Al

    He also designed few monstrous guns for this round like

    “Dardick Cloud Gun”
    ( patent : http://www.box.net/shared/v5e0ejjt5c )

    “High Firing Rate Light Gas Hypervelocity Gun”
    ( http://www.box.net/shared/4xyqv2bsvi )

  • Jerry Dreisewerd

    I’ve seen & handled a number of Dardick revolvers over the years. The idea of a magazine fed revolver had some of the best features of both revolvers and autoloading pistols. The idea of a magazine fed revolver promised quick & easy loading. The gun could be fired simply by pulling the trigger. Misfires could be ejected the same way. That said, I’ve never handled a functional Dardick. What was new had great promise. Implementation left much to be desired.

  • 26_994

    I suppose, that G-11 -like caseless ammo would be nice for this gun (caseless ammo have square shape instead of circle)

    So… Dardick can return.