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Wanna launch a 1/2-pound bullet at 2300 feet per second? It’s gonna cost you ($40 per round) and it’s gonna hurt. It may break your ribs when you fire it, but the .950 JDJ has one advantage over other cartridges in the 20mm antiaircraft category: it has an almost-unique ATFE ‘sporting use exception’ which allows you to own it without jumping through the burning hoops of fire completing NFA paperwork required for ‘Destructive Devices.’ All right Mr. DeMille, I’m ready for my close-up . . .

I met a custom ammunition maker who’s willing to do the milling and lathing required to load up these beasts. Here I am posing with a [thankfully inert] display cartridge. And I am big; it’s the bullets that got bigger!

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  1. My friend Marco Rigido of New System Arms in Italy builds a bigger rifle – a full 1.00″ bolt gun firing 2500 to 2800 gr bullets. Not sure if they can be imported here. From what I understand the SSK round is allowed for civilian use by the ATF. The Rigido rifles are legal in Italy, though.

  2. I think that even the ATFE finally realized that an 80-pound, handbuilt, $8,000 single-shot rifle with handmade ammo that costs $40 per round is probably *not* going to be of any use to a criminal. It would take two or three of them to lift it.

    Common sense, from the ATFE: who’da thunk it?

  3. It would be very interesting to see the results of that shot (assuming they hit). Gotta figure not much in the way if petitioning, would love to see penetration through a row of…..whatever really….

  4. If they make a hollow point it could be a nice place to store car keys or cuff links, maybe a dog bowl for an old hound with arthritis. This weapon has little practical purpose, but what a toy. Would I be missing the point if I asked for a suppressor so I didn’t annoy the neighbors if I was “plinking” in the garden?

    • I believe that it’s fitted with a massive 18.2-lb muzzle brakes so hopefully a suppressor might not weigh considerably more.

  5. I really want to buy one of these rounds, but don’t know where to get em.I want it inert so i don’t blow myself up & knock down a few buildings.

  6. I am interested in purchasing a single .950 round, preferably live but would consider an accurate replica, for a friend who is an avid ammo collector. Previous posts listing such shells are a year old. Does anyone know of any recent sources for this monstrous round?

    • They’re closer to $95 shipped for a live round (I know because I have one). Contact Mr. Jones from SSK Industries and ask if he’ll make a live round for you. He did so for me late June of 2011.

  7. actually would just use a 600 nitro Express rifle…will stop anything pretty much. kills elephants with one shot.. hippos too. still kicks like a mule but still a stopper from old times that make it relevant still today.


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