Because of the bullet diameter both are considered destructive devises by the BATFE. Jones and his team at SSK Industries have created a truly big boomer — the.950 JDJ. It’s gonna cost you ($40 per round) and it’s gonna hurt. The cartridges for sale are custom made from 20 Vulcan cases and the finished cartridge is almost 5" in overall length, no powder, and an old fired spent electric primer. .950 JDJ cases are approximately 70 mm in length, and are based on a 20×110mm case shortened and necked up to accept the .950 in (24.1 mm) bullet. The 950 JDJ came to life in 1996 by JD Jones but sadly is no longer in production. TFB’s Hrachya H. was able to look at the above image and make the JDJ determination – a round I admittedly never knew existed. Articles with unsourced statements from November 2014, Articles incorporating text from Wikipedia, Denel NTW-20, South African anti-materiel rifle, McBros 95 caliber rifle single shot bolt action rifle, https://military.wikia.org/wiki/.950_JDJ?oldid=4397472. Pricing for base engraving starts at $20 for text, with additional cost for graphics. So, how does a projectile this size return in the direction from where it originated with enough force to break a man’s leg? it is so large that if you fired it overseas it would probably make it to france. Here’s a brief excerpt from the original discussion on ar15.com: A friend attended the machine gun shoot at Southington Offroad Park (SOR) in Garrettsville, Ohio yesterday with some friends of his and ended up taking home an unexpected souvenir. The head-stamp reads "REPLICA .950 JDJ, and the projectiles are made The other two rifles which were manufactured weigh in at 110 pounds. Shooting is usually heavy "lead sled" or similar shooting rest, and the rifle is not held to the shoulder because of the severe recoil and possible injury. Billed as the largest centerfire rifle ever made, only three of these guns have ever been built. lbf (Script error: No such module "Math". Shop online for the best selection and prices of 50 BMG rifles at Hinterland Outfitters. 950 JDJ cases are approximately 70 mm in length, and are based on a 20×110mm case shortened and necked up to accept the.950 in (24.1 mm) bullet. Interesting, so the .950 JDJ is no longer considered a destructive device even though it is. JD’s biggest cartridge is the .950 JDJ on a highly modified 20mm cannon shell. production by JDJ. Sure, we’ve got great 22 WMR rounds for gator hunters, but it’s just not the same as offering 950 JDJ ammo designed specifically for dropping 220 ton Argentinosauruses. lbf (270 J) of free recoil energy if an efficient muzzle brake is not used. It has crows feet rollers in the front and rear. I usually recommend not to choose anything less than a 20mm for squirrel hunting. JD says it is extremely accurate with the machined brass bullet. Go figure. It requires a rifle action capable of holding it. SSK only manufactured three of these rifles and as of 2014 no longer produces the ammunition. Well J.D. Manufactured by SSK Industries, this enormous rifle pushes the envelope in size, raw power, and rarity. He said he was in too much pain to argue and could not walk after them when they started to walk away. The round struck the man in the ankle with enough force to break bones and rip through a muck boot. After reviewing the NRA’s range building guidelines, I don’t think I remember seeing anything about a curved, hard surface being used as a backstop. As its name implies, rifles chambered for the cartridge have a bore diameter of 0.950″ (24.13 mm). The sheer size, weight, and power of these rifles make them rather impractical for hunting use. Graphic Photos: Man Takes.950 JDJ Ricochet to the Ankle OutdoorHub Reporters 07.10.17 A man who recently attended a machine gun shoot went home with a very unfortunate injury. Rifles that is the biggest and baddest rifle made yet. Loaded .950 JDJ cartridges are approximately the length of an This yields a muzzle energy of 38,685 foot-pounds force (52,450 joules). Posted July 7, 2017 in Ammunition, Daily News, Rifles by Pete with 162 CommentsTags: .950 JDJ, injury, Ricochet, Rock wall backstop. This is a 14' working width mulcher it is about 15' to the outside of the frame.