.950 JDJ

I just read about the .950 JDJ. That is one badass caliber! The trail of links that led to me finding this: was checking out the Tactilite .50BMG conversion, and the owner has a blog, upon which he posted a blurb about the 0.95. The post links to another guy's blog, which has a teaser picture and links to other source of information: a picture of the rifle, a McBros 95, and a picture of the ammo. The Guns Lot comments included text from Wikipedia that's enlightening. One guy commented that "20mm shits on that", except that the .95 is 24.1mm. Granted, the .95 bullet weighs 230g and goes 670m/s, whereas the Vulcan 20mm is 100g and goes 1030m/s, so the Vulcan has slightly higher muzzle energy.

Apparently SSK Industries has another cartridge that has a "sporting use" exemption: the 14.5mm JDJ (.585). And here I thought the .50 was the biggest cartridge that didn't require an NFA tax stamp (for a Destructive Device). Sweet!!

Edit [2012.03.11]: The 14.5mm JDJ link moved.