[1][3], The cartridge propels its 3,600 grains (233 grams) bullet at approximately 2,200 feet per second (670 metres per second). 228. The bullet is based on the 20×102mm Vulcan cartridge used in the M61 Vulcan cannon. Stock. CONTENDER ® and ENCORE ® are registered trademarks of the Smith and Wesson Corp. Feed system Rating. Manually operated, loading by detachable bolt, One of the three rifles with a blue camouflage finish. Gauge. [4], By comparison, the 5.56×45mm NATO cartridge, used in the M16 and M4 rifles, produces between 1,200–1,300 foot-pounds force (1,600–1,800 joules), while the .308 Winchester, a favorite for hunters and medium-range police/military sniping, produces between 2,000–3,000 foot-pounds force (2,700–4,100 joules) depending on the load used. In spite of its weight (50 kilograms or 110 pounds), recoil is substantial, and it is only practical t… Shooting the .950 JDJ - Largest Sporting Rifle Made, "Fat Mac" - SSK Industries' .950 JDJ Rifle, https://guns.fandom.com/wiki/SSK_.950_rifle?oldid=75175. If no muzzle brake was attached, the weapon would produce 200 foot-pounds (270 J) of free recoil: the US military regards weapons with above 60 foot-pounds of recoil force as incapable of being shoulder-fired,[1] and 200 foot-pounds is almost twice the free recoil energy of a Solothurn S-18/1000 20mm anti-tank rifle. Founded in 1977 by famed firearm cartridge designer and writer J.D. Because of all these features, the rifle has little practical use, other than being a "range queen", which is a weapon brought to a firing range primarily for a fun time, and just for the sheer spectacle of it being fired. This rifle is designed to fire a cartridge based on the 20x110mm Vulcan Cannon cartridge, shortened, and necked up to match a.950 caliber (24.1mm) cast lead bullet. [1], As its name implies, rifles chambered for the cartridge have a groove diameter of 0.950 in (24.1 mm). Gun Wiki is a FANDOM Lifestyle Community. Projectiles are custom-made and most commonly weigh 3,600 grains (230 g) which is 8.2 ounces or over half a pound. Item Views. The bolt is then re-inserted and the bolt handle moved down carefully to lock the action: this is necessary to prevent the firing pin dropping if the bolt is closed too sharply. Country of origin Manually operated, loading by detachable bolt Year(s) designed NC. Production information The muzzle energy of the .950 JDJ is comparable to the kinetic energy of a 2,800 pounds (1,300 kilograms) automobile traveling at 20 miles per hour (32 kilometres per hour). Other name(s) Active. 3 50–110 pounds (23–50 kilograms) Take your favorite fandoms with you and never miss a beat. [citation needed], In a 110 lb (50 kg) rifle, this will develop well over 200 foot-pounds force (270 joules) of free recoil energy. SSK ceased production of the ammunition in 2014. SSK Industries Class . This style of reloading is rather similar to other big bore rifles, such as the Maadi-Griffin and LAR Grizzly Big Boar; this is referred to as a "shell holder" bolt. Feb 27, 2014, Stay in the know with the latest from the Tactical-Life newsletter, VIDEO: Modesto Cop Takes 1 Shot Down Walgreens Aisle, Drops Suspect, WATCH: LAPD Police Officer Uses Vehicle Door to End Bicycle Pursuit, Bushnell Elite Tactical LMSS2: Compact, Pro-Grade Spotting Scope, Cobalt Goes Back to Rifles, Releases BAMF Pro Series Rifles & Pistols, Tactical Life Gun Magazine: Gun news, gun reviews and gun magazines for gun enthusiasts, military and law enforcement, You use of this website constitutes and manifests your acceptance of our. J.D. [2] Despite the weight, recoil is significant and shooters must be sure to choose components (i.e., scopes and bipods) that can handle the abuse. Modern Long Gun. The sheer size, weight, and power of these rifles make them rather impractical for hunting use. .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. Shooting usually involves a heavy "lead sled" or similar shooting rest, and the rifle scope has significant eye relief to avoid injuring the ocular orbit. Scroll down to watch a video of the SSK Industries .950 JDJ in action, courtesy of Knight Rifles. In spite of its weight (50 kilograms or 110 pounds), recoil is substantial, and it is only practical to fire it from a shooting rest. Rifle. I have read the Terms of Use, Privacy Policy, and Cookie Policy, and I hereby agree to those terms. Fat Mac For purposes of clarity, I consent to Athlon's collection, storage, processing, and transfer of my Personal Data and Non-Personal Data (as defined in the Privacy Policy) for the purpose of signing up for the email newsletter. Billed as the largest centerfire rifle ever made, the SSK Industries .950 JDJ uses a .95 caliber 2400 grain bullet and has 25,400 ft/lbs of muzzle energy. In addition, SSK is a proven manufacturer of a variety of tactical, sporting and custom rifles and handguns. SSK Industries, the makers of the rifle, received a Sporting Purposes Exception to deregulate the rifles. Type. Model. Item Interest. The .950 JDJ (24.1x70mm) is a powerful large caliber rifle cartridge developed by American gunsmith and weapon designer J. D. Jones of SSK Industries. Number built Bolt Action. Barrel. composite. 670 m/s (2200 feet per second) The three rifles weighed in between 50 to 110 pounds, with each having a different sort of recoil compensation method. Ohio-based Firearm and cartridge manufacturer SSK Industries has unveiled their .950 JDJ rifle. Single shot The rifles use McMillan stocks and extraordinarily thick Krieger barrels bearing an 18 lb (8.2 kg) muzzle brake. Manufacturer(s) Not for the faint of heart, the .950 JDJ utilizes a .95 caliber 2400 grain bullet which travels at a speed of 2100 fps using 240 grains of powder. Grip. The .950 JDJ highlighted in the video below is a prototype which weighs 50 pounds. When originally sold, the rifles cost $4,000, with loaded cartridges costing $40. Serial # Manufacturer. Ohio -based Firearm and cartridge manufacturer SSK Industries has unveiled their. [1] Overall, depending on options, the rifles weigh from 85 to 120 pounds (39 to 54 kg) and are therefore only useful for shooting from a bench rest or heavy bipod. The ballistics of the .950 JDJ are more similar to that of the 20 mm autocannon round, which delivers approximately 39,500 foot-pounds force (53,600 joules). Incredibly Massive Rare SSK Industries .950 JDJ Gun Number One Single Shot Bolt Action Rifle with Scope. [citation needed], McBros 95 caliber rifle single-shot bolt-action rifle, "The SSK Industries .950 JDJ – The Largest Centerfire Rifle Ever Made", https://en.wikipedia.org/w/index.php?title=.950_JDJ&oldid=985413930, Articles with unsourced statements from October 2020, Creative Commons Attribution-ShareAlike License, This page was last edited on 25 October 2020, at 20:29. 950 JDJ. The rifle scope, a Burris 7× scope, has significant eye relief to prevent any injury to the eye socket.