There are guns and then there are guns. Calling the .950 JDJ a gun is like calling a super massive blackhole a vacuum cleaner. This thing is huge. It is hard to conceive just how huge. Only a handful of people have actually shot it. Each bullet is apparently $40. It is, indeed, the largest center fire rifle ever made.
Here, you can watch a few brave souls attempt to shoot this monster:
Shooting the .950 JDJ
This gun weighs in at approx. 110 pounds and, therefore, _must_ be shot from a bench. It costs approx. $8,000, and the bullet alone costs $10 -- that thing that flies out of the end of it....
From the wiki:
The cartridge propels its 3,600 gr (230 g) bullet at approximately 2,200 ft/s (670 m/s). This yields a muzzle energy of 38,685 ft·lbf (52,450 J)[1] and a momentum of 154.1 Newton-seconds. This kinetic energy would allow the .950 JDJ to pass through several body-armored humans. It is comparable to the original tank rounds of World War I in terms of ballistic energy.
By comparison, the 5.56x45 cartridge, used in the M16 rifle, produces between 1,200–1,300 ft·lbf (1,600–1,800 J), while the .308 Winchester, a favorite for hunters and medium-range police/military sniping, produces between 2,000–3,000 ft·lbf (2,700–4,100 J) depending on the load used. The ballistics of the .950 JDJ is more similar to that of the 20mm autocannon round, which delivers approximately 39,500 ft·lbf (53,600 J). The muzzle energy of the .950 JDJ is comparable to the kinetic energy of a 2,800 lb (1,300 kg) automobile traveling at 20 mph (32 km/h). In a 110 lb (50 kg) rifle, this will develop well over 200 ft·lbf (270 J) of free recoil energy if an efficient muzzle brake is not used. This is far beyond the shoulder-firing capacity of nearly all humans.
The Full Wiki Article
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