The .950 JDJ (24.1×70mm) is a powerful large caliber rifle cartridge developed by American gunsmith and weapon designer J. D. Jones of SSK Industries. .950 JDJ cases are approximately 70 mm in length, and are based on a 20×102mm Vulcan case shortened and necked up to accept the .950 in (24.1 mm) bullet.

2016年12月7日 · For the Contender, JDJ wildcats fill a niche and could be a good choice. In the Encore, I would go with the more mainstream wildcats as more options exist: more chamberings; reloading data is more plentiful; dies are more plentiful (both new & used); and the number of users to bounce off of.

The .950 JDJ is one of the most powerful rifle cartridges ever developed in the area of sporting rifles. It was designed by gunsmith and firearm designer J.D. Jones of SSK Industries, who it is named after, sharing his initials.

2024年2月18日 · The 950 JDJ is a custom-made rifle cartridge that measures .950 inches in diameter. It is one of the largest and most powerful rifle calibers in the world, designed by American firearms enthusiast J.D. Jones.

The .950 JDJ is a large caliber rifle cartridge developed by J. D. Jones of SSK Industries. Loaded .950 JDJ cartridges are approximately the length of an empty .50 BMG casing (i.e., 4 in or 10 cm), and are based on a 20×102mm case shortened and necked up to accept the .950 in (24.1 mm...

The .309 JDJ is one of six cartridges on the .444 Marlin case developed by J.D. Jones of SSK Industries for the Thompson/Center Contender single-shot pistol. Despite its name, it is loaded with .308-inch bullets.

One of the most popular calibers Jones designed is his .375 JDJ cartridge. Made for the TC Contender single-shot handgun/carbine, this powerful cartridge is simply the .444 Marlin case necked-down to accept 0.375″ bullets.

2023年5月17日 · The .950 JDJ large caliber rifle cartridge was developed by American gunsmith and weapon designer J. D. Jones of SSK Industries. It has a bullet diameter of 0.950 inches, while its case length is 2.75 inches. Projectiles are custom-made and commonly weigh around 3,600 grains, or roughly half a pound.

2012年9月14日 · As crafted by SSK Industries, .950 JDJ rifles use McMillan stocks and very large-diameter Krieger barrels fitted with a massive 18.2-lb muzzle brakes. The ammo produced by SSK features solid 3,600 grain bullets and CNC-machined cartridge brass. It is also possible (through a lot of work), to use a 20mm cannon casing shortened and necked-down ...

A 95 caliber projectile weighing in at 3600 grains and with a muzzle velocity of 2200 fps delivering 38600 foot pounds of energy is close to the limit of what a rifle cartridge can be. Here you have the 950 JDJ. The case is made of a 20mm Vulcan case shortened to 4 …