2024 Jdj cartridges

9 Aug 2021 ... ... 23:22 · Go to channel · The 950 JDJ FAT MAC (The World's Most Powerful Rifle!!!) Kentucky Ballistics•2.5M views · 38:26 · Go to c.... Duke power outages in florida

February 27, 2014. Ohio -based Firearm and cartridge manufacturer SSK Industries has unveiled their .950 JDJ rifle. Billed as the largest centerfire rifle ever made, only three of …Reduce all loads 10 percent and work up only as pressure signs permit. (From Handloader Issue 153) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .358 JDJ reloading data with 26 loads. Using bullets from Hornady SP, Hawk SP, Speer Flat SP, Nosler Partition, Sierra spitzer BT, Hawk SP .If you are looking for extra “knock down power”, you might consider one of the newest JDJ cartridges – 222 JDJ Magnum. This is a blown out 222 magnum case ...25 Mar 2014 ... 950 JDJ high powered rifle. 135K views · 10 years ago ... 950 JDJ & His Little Brother the 14.5 JDJ ... Flattest Shooting Cartridges by Caliber. Ron ...7mm JDJ No. 2. Warning! CAUTION: THESE ARE VERY HOT LOADS! NOTES: Excellent bullets are available for this cartridge. With proper loads and in the hands of a good shot, this chambering is capable of 300-yard shots on smaller big game species. In handgun-length barrels, ballistics are not significantly superior to the smaller 7mm JDJ offerings ...Nov 4, 2008 · From the data I have on these 3 cartridges it looks like the 7X30 JDJ (aka 7-30 Waters Improved) will do anything the other two cartridges will do in a Contender but with less powder and less recoil. If you were going to have my barrel rechambered for a 7mm Cartridge which would be your choice and why. A quick trip to the range resulted in 100 newly fire-formed 6.5 JDJ cases. Dan and Jones both recommend putting the 120 Gr. Nosler BT over 38.0 to 38.5 Gr. of IMR4350. This has been Dan’s go-to load for hunting for many years, and has cost many a game animal its life. Dan has used it for hunting in North America and Africa.Rifle Cost: $8000.00. Ammunition Cost: $40.00 per round. Projectile Weight: 3,600 grains (more than half a pound) Rifle Weight: Between 80 and 120 pounds. …JD Jones’ .950 JDJ cartridge is generally described as the largest sporting rifle cartridge ever produced for arguably the strongest gun in the world for sporting purposes. Most Powerful Guns from J. D. Jones. Gunmaker, cartridge designer, and SSK Industries founder J. D. Jones forged a name for himself with quality hunting arms and ...A few of the cartridges he’s pioneered include the 6.5 mm JDJ, 6.5 JDJ #2, .309 JDJ and .375 JDJ, among others. None, however, were as much of a Goliath as his .950 JDJ that fired a...9 Aug 2021 ... ... 23:22 · Go to channel · The 950 JDJ FAT MAC (The World's Most Powerful Rifle!!!) Kentucky Ballistics•2.5M views · 38:26 · Go to c...Here is our comprehensive reference chart showing which cartridges use which shell holders from the various manufacturers like Lee, Lyman, RCBS and Hornady. We decided to include multiple brands of shell holder, so that if your store doesn’t for example sell Hornady shell holders or the one you are looking for is sold out and you …<NEW> List of Cartridges by Powder; Cartrige Powder Recommendations; Powder Burn Rate Chart; Primer Manufacturer Chart; Shellholder Chart; Bullet Abbreviations; User Loading Data. ... 6.5 mm JDJ - Published Manufacturer Loading Data Recipe Type: Pistol . Bullet Weight: ALL. 85 gr. 100 gr. 120 gr. 129 gr. 140 gr . Powder: ALL.Designed. 1990s. Manufacturer. SSK Industries. The Whisper family of firearm cartridges is a group of wildcat cartridges developed in the early 1990s by J.D. Jones at SSK Industries. The Whisper family was developed as a line of accurate, multi-purpose cartridges using relatively heavy rifle bullets for a given caliber in subsonic loads.The 180 Speer is just a bit tougher. Say 150-200 fps “tougher” again using them in various 35’s builds confidence and experience. The 358 JDJ has the HP to utilize the 220 Speer as long as you load it to that. But as Seedy mentioned continued use of hot loads in a Contender can and will stretch frames.Purchase with us now to get delightful offers on list prices. For any questions just dial us Toll Free at 1-800-856-8397 or save your time by e-mail us at [email protected]. 2201 S. Union • Chicago, IL 60616Phone: 312-846-6192 • Fax: 312-492-8949Toll Free 1-800-856-8397. Send me manufacturer couponsand free promotions.HP Instant Ink is a subscription-based service that provides customers with ink cartridges for their HP printers. The service is designed to save customers time and money by automa...Feb 21, 2024 · JD Jones, a legend in cartridge development and barrel making, was the brain behind the .950 JDJ’s design. This massive round, fashioned from a 20 mm Vulcan Cannon round, delivers a staggering 38,000 foot-pounds of force, nearly triple that of a 50 BMG. SEE ALSO: California’s SB 1160: Annual Gun Registration or Face $1,000+ Fines The .950 JDJ Bolt Action is a single shot rifle that needs has a fully enclosed receiver so the bolt needs to be removed in order to insert the cartridge much like some older sporting 50 BMG rifles. “Manufactured by SSK Industries, this enormous rifle pushes the envelope in size, raw power, and rarity. This rifle is designed to fire a ...375-06 JDJ. One of a series of cartridges by JD Jones based on the 30-06 case.The humongous .950 JDJ rifle is made by SSK Industries. One shown in the video is the serial number 1 of very few such rifles ever made. The creator of both the rifle and the cartridge is J.D. Jones, the founder of SSK Industries and the famous wildcat cartridge designer mostly known for designing the JDJ and Whisper families of cartridges.Crafted from a 20×102mm Vulcan cannon case, shortened and necked up to fit a .950 inch (24.1 mm) bullet, the .950 JDJ is a cartridge that redefines large caliber. The projectiles for this ...Gun: Douglas; barrel length: 14"; primer: FC 210; case: Rem; max length: 2.205"; trim length: 2.195". Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .309 JDJ (Accurate Loading Guide #2) reloading data with 18 loads. Using bullets from Nosler BT. Powders include Accurate.May 6, 2013. #7. Here are two more SSK cartridges I have. 6.5 Mini-Dreadnaught JDJ based on the 220 Swift case and 35-06 JDJ both have 60 degree shoulder and short neck. Pretty sure all of the JDJ cartridges for the Encore have short necks. Never had any issues with them. 257JDJ Contender based on 225 Winchester has a short neck too. Ordered list.The Different 9.3mm Cartridges. By Lukas Schulte. 9.3x62mm, 9.3x74R, and 9.3x72R. The 9.3 (.366-inch) diameter is one of the most versatile calibers for hunting bullets. Loaded appropriately in a variety of different cartridges, .366-inch bullets are a great option for game from small antelope and to moose, eland, even buffalo, and elephants.QUALITY CARTRIDGE BRASS 375-06 JDJ UNPRIMED 20/BAG . $55.50. Less than 5 in stock Item #: QC213871 $2.78 per piece. QUALITY CARTRIDGE BRASS 375 EPSTEIN UNPRIMED 20/BAG .Place the foam insert into the 6.5-inch DJ case. Secure the lid onto the DJ case. Line the interior of the case with a cushioned foam pad to protect the contents. Close and secure the latch/lock on the case. Label the case as desired. The 6.5 JDJ is one of the early examples of the JDJ series of cartridges.The .950 JDJ cartridge is a large-bore rifle cartridge developed by J.D. Jones of SSK Industries. Jones is also the noted developer of many other well-known cartridges, such as the Whisper family. Cartridge. The .950 JDJ is among the world's most-powerful, and largest-caliber, rifle cartridges. Loaded .950 JDJ cartridges are …JD Jones’ .950 JDJ cartridge is generally described as the largest sporting rifle cartridge ever produced for arguably the strongest gun in the world for sporting purposes. Most Powerful Guns from J. D. Jones. Gunmaker, cartridge designer, and SSK Industries founder J. D. Jones forged a name for himself with quality hunting arms and ammunition. This cartridge was developed by JD Jones that actually started out as the 411 Whammy. Reason being that at that stage there were a good variety of .411 cal bullets available in the US as opposed t the 416. With the resurgence of the 416 Rigby, quality bullets became available and the 411 was necked up to .416 and originally called the 416 JDJ. Sep 1, 1999 · I would suggest .309 JDJ data as a starting point, then work up in the Encore. .30 Bellm is a sawed off .444 Marlin case 1.395″ long necked to .30 caliber, designed specifically for Illinois handgun deer hunting, which is restricted to cartridges 1.4″ long or less, must be .30 cal. or larger, and produce at least 500 ft/lbs muzzle energy ... My project of converting my 14" Armor Alloy .35 Remington barrel to 358 JDJ is actually coming together. I have my quote from SSK and am readying everything to send off. This project started in about 2002 with the purchase of the barrel and has waited for available funds/time/energy/etc. I've been reading everything I can about the cartridge ... 950 JDJ. The 950 JDJ was designed by J.D. Jones from SSK Industries in 1996 and was based on the 20mm Vulcan case that was shortened and necked down. The SSK Industries Fatmac Rifle that was featured on Rock Island Auctions. Cartridge : 257 JDJ Bullet : .257, 85, Nosler BalTip 43004 Useable Case Capaci: 40.266 grain H2O = 2.614 cm³ Cartridge O.A.L. L6: 2.500 inch = 63.50 mm Barrel Length : 20.0 inch = 508.0 mm Powder : Hodgdon VARGET Predicted data by increasing and decreasing the given charge, incremented in steps of 1.098% of nominal charge.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. Die .950 JDJ ist eine sehr energiereiche Patrone, die von J. D. Jones entwickelt und bei SSK Industries produziert wurde. Die Namensergänzung JDJ weist auf den Entwickler hin. (de)The Different 9.3mm Cartridges. By Lukas Schulte. 9.3x62mm, 9.3x74R, and 9.3x72R. The 9.3 (.366-inch) diameter is one of the most versatile calibers for hunting bullets. Loaded appropriately in a variety of different cartridges, .366-inch bullets are a great option for game from small antelope and to moose, eland, even buffalo, and …Instead of a 375 JDJ on your Encore, how about just getting a 375 H&H barrel for it? That way you're not trying to "hot rod" a cartridge past it's design and turn it into something it was never intended to be. There's plenty of room in the H&H chambering to give you (hopefully) anything you're looking for, and do it with proven safe load data.SSK is also the home of the Whisper and JDJ series of handgun and rifle cartridges. Once strictly wildcats, Whisper and JDJ ammo can be bought from Cor - Bon ...The .950 JDJ (shown here next to 5.56mm and 9mm cartridges) was based on the 20x110mm Vulcan Cannon cartridge, shortened, and necked up to match a .950 caliber (24.1mm) cast lead bullet. The original loading was a 2600 grain (168g) cast bullet moving at 2200 fps (670m/s), for a whopping 28,000 foot-pounds of muzzle energy.The .375 JDJ was introduced in 1978 and was the first of six cartridges eventually developed on the .444 Marlin case by J.D. Jones of SSK Industries for the Thompson/Center Contender single-shot pistol. With the exception of their bullet diameters, the .309, 8mm, .338, .358, .375 and .416 JDJ cartridges are the same. 950 jdj. $225.00. Quantity. Add to Cart. .950 JDJ cases are approximately 70 mm in length, and are based on a 20x110mm case shortened and necked up to accept the .950 in (24.1 mm) bullet. Projectiles are custom-made and most commonly weigh 3,600 grains (230 g) which is 8.2 oz. or over half a pound. This piece is pretty big. 2x2x6. .375 JDJ - Published Manufacturer Loading Data Shellholders: Lee #11The .950 JDJ Fat Mac was developed by the cartridge’s namesake and president of SSK Industries, J.D. Jones. It is 20x110mm Vulcan Cannon cartridge shortened and then necked down to .950 caliber. The .950 JDJ is so large it had to receive an ATF “Sporting Use Exception” from the ATF to avoid being classified as a Destructive Device.The .416 JDJ was desigend expressly for use in the Contender. The Marlin lever-gun will handle the pressure/backthrust of the .416 JDJ, but I seriously doubt that it would handle the overall cartridge length. JD tends to design cartidges with the bullets seated pretty far out of the case to maximize powder capacity and hold pressures down.<NEW> List of Cartridges by Powder; Cartrige Powder Recommendations; Powder Burn Rate Chart; Primer Manufacturer Chart; Shellholder Chart; Bullet Abbreviations; User Loading Data. ... 6.5 mm JDJ - Published Manufacturer Loading Data Recipe Type: Pistol . Bullet Weight: ALL. 85 gr. 100 gr. 120 gr. 129 gr. 140 gr . Powder: ALL.QUALITY CARTRIDGE BRASS 6.5 JDJ UNPRIMED 20/BAG. Item #: QC65JDJ. Price: $48.25. $2.41 per piece. Shipping: One flat fee of $12.95 per online order. Exclusions apply. Click for details.JDM 2007-2012 Subaru Forester XT, 2007-2009 Subaru Legacy GT Motor 5 speed EJ20X-2GEN 2.0L 4 Cyl Engine. $1,999.00.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, about the same as a 20×102mm Vulcan round.14 Jan 2024 ... In this video I compare the newest and greatest cartridges to the old cartridges ... The 950 JDJ FAT MAC (The World's Most Powerful Rifle!!!).The .30-06 JDJ is a modified .30-06 Springfield cartridge designed to be used in the Thompson Center Arms Contender single-shot pistol. The idea behind it is to replicate the ballistics of a .30-06 fired from a rifle in a Contender pistol. [1] Currently, the .30-06 JDJ is not offered by any manufacturers.The Different 9.3mm Cartridges. By Lukas Schulte. 9.3x62mm, 9.3x74R, and 9.3x72R. The 9.3 (.366-inch) diameter is one of the most versatile calibers for hunting bullets. Loaded appropriately in a variety of different cartridges, .366-inch bullets are a great option for game from small antelope and to moose, eland, even buffalo, and …Printed from Shooter's Reference on 04/29/2024: https://www.shootersreference.com/reloadingdata/375-jdj/I shoot and reload the 6.5 JDJ in both 14" and 21" barrels. With light bullets it's great for larger varmints. With 120 or 125 gr. bullets it is excellent for deer. I get about 2400 fps with the 125 Nosler Partition using RL-15, with excellent accuracy, from the 14" barrel. Seems to me it's around 2600 for the 21" with this load, but I don't ... This cartridge was developed by JD Jones that actually started out as the 411 Whammy. Reason being that at that stage there were a good variety of .411 cal bullets available in the US as opposed t the 416. With the resurgence of the 416 Rigby, quality bullets became available and the 411 was necked up to .416 and originally called the 416 JDJ. 111 posts · Joined 2005. #1 · Oct 9, 2011. Hello everyone. I am thinking of building a 41 JDJ rimless on a 93 Mauser. I will load it light in consideration of the action. The gun is a Spanish 1916 in 7.62x51. I will use 30-06 brass to to form cases. I may also make the gun a 41-08 due to a steady supply of 7.62x51 brass.Quality Cartridge started in 1992, producing obsolete and wildcat ammunition for a small group of fellow shooters. ... Quality Cartridge Brass 375 JDJ Unprimed Bag of 20 . 2. $44.50. Less than 5 in stock Item #: QC828952 $2.22 per piece. QUALITY CARTRIDGE BRASS 375 TAYLOR UNPRIMED 20/BAG . $55.50. This cartridge was developed by JD Jones that actually started out as the 411 Whammy. Reason being that at that stage there were a good variety of .411 cal bullets available in the US as opposed t the 416. With the resurgence of the 416 Rigby, quality bullets became available and the 411 was necked up to .416 and originally called the 416 JDJ. Made by SSK Industries on a McMillan action, the .950 JDJ is the largest sporting rifle made. The cartridge began as a 20mm Vulcan round, cut down to 70mm case length and necked up to 24mm (.95 caliber). It required a special sporting purposes exemption form the ATF to not be classified as a destructive device under the NFA. It’s a pretty ...For as long as I can remember I have been handloading and shooting many popular wildcats, like the .357 Herrett, 7mm TCU, .243 AI, .280 AI, .300 Whisper, .375 JDJ, and several others. I learned about case forming and load development by working with these cartridges, often in the very early years when there was little available data.Shop 6.5mm JDJ SSK-50 / Contender 14 inch Barrel with TSOB Scope Base and Thread Protector Material - Stainless Steel, Grade - Hunter available at $387.9. ... The designated Cartridge or Fixed Ammunition that the Barrel is chambered to …A few of the cartridges he’s pioneered include the 6.5 mm JDJ, 6.5 JDJ #2, .309 JDJ and .375 JDJ, among others. None, however, were as much of a Goliath as his .950 JDJ that fired a 3,600-grain ...If you own a Bensham mixer tap, you may find yourself in need of spare parts at some point. Whether it’s a worn-out cartridge or a leaky valve, having the right spares on hand can ...HP 564 ink cartridges work with 25 different HP Photosmart printers, including 5400, 5500 all-in-one, 6300 all-in-one, 6500 and 7500 series printers. The HP 564 cartridges are also...When it comes to printing, having the right ink cartridge is essential for maximum efficiency. Installing a new ink cartridge can be a tricky task, but with the right instructions ...From the data I have on these 3 cartridges it looks like the 7X30 JDJ (aka 7-30 Waters Improved) will do anything the other two cartridges will do in a Contender but with less powder and less recoil. If you were going to have my barrel rechambered for a 7mm Cartridge which would be your choice and why.A leaking monobloc tap can be repaired using a screwdriver and a wrench. However, monobloc taps are unique because they use a ceramic cartridge, rather than a rubber washer or cera...A leaking monobloc tap can be repaired using a screwdriver and a wrench. However, monobloc taps are unique because they use a ceramic cartridge, rather than a rubber washer or cera...Wildcat Cartridges. .309 JDJ. column By: Layne Simpson | December, 18. 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 …QUALITY CARTRIDGE BRASS 375-06 JDJ UNPRIMED 20/BAG . $55.50. Less than 5 in stock Item #: QC213871 $2.78 per piece. QUALITY CARTRIDGE BRASS 375 EPSTEIN UNPRIMED 20/BAG .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. Like numerous other cartridges developed by Jones, the .309 JDJ is proprietary, which means he maintains control over distribution of ...2 Feb 2024 ... Comments29 · 950 JDJ “Fat Mac” Weighs In at Auction · 7 Best .22 Bolt Action Rifles for 2023 · 5 Best Cartridges for Long Range Shooting.As illustrated in Western Powders Handloading Guide Edition 1 and Hornady Handbook of Cartridge Reloading 9th Edition, several powders work nicely in the 6.5 JDJ. For many …QUALITY CARTRIDGE BRASS 6.5 JDJ UNPRIMED 20/BAG. Item #: QC65JDJ. Price: $48.25. $2.41 per piece. Shipping: One flat fee of $12.95 per online order. Exclusions apply. Click for details.The Whisper family of firearm cartridges is a group of wildcat cartridges developed in the early 1990s by J.D. Jones at SSK Industries.The Whisper family was developed as a line of accurate, multi-purpose cartridges using relatively heavy rifle bullets for a given caliber in subsonic loads. The intention was to create an extremely accurate cartridge family for …Reduce all loads 10 percent and work up only as pressure signs permit. (From Handloader Issue 153) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .358 JDJ reloading data with 26 loads. Using bullets from Hornady SP, Hawk SP, Speer Flat SP, Nosler Partition, Sierra spitzer BT, Hawk SP .This cartridge, the 411-JDJ, can be quite a handful when fully stoked. Whereas the 375-JDJ has rather "brisk" recoil , this cartridge can have rather "punishing" recoil. I currently shoot a 7mm-08 Encore pistol and it doesn't bother me much, so I'm not exactly a recoil wimp, but from what I remember of my .375JDJ, I would say "brisk" is an …Meet the .950 JDJ. When it comes to a rifle cartridge, nothing is larger than the .950 JDJ, which uses 240 grains of powder to push a 2,400-grain bullet at 2,100 feet per second (FPS). In addition ... Cartridge Collector > Cartridges > IMPERIAL SPORTING RIFLE ... 358 JDJ. The 358 JDJ was designed by JD Jones of SSK Industries and is based on the 444 Marlin case. not only the 6.5mm JDJ, but the 6.5mm JDJ x 30 and the 6.5mm JDJ #2. In addition, he has created the 6.5mm Whisper, a cartridge with quite interesting subsonic performance. The 6.5mm JDJ is a cartridge with excellent long range (up to 300 yards) smaller big game handgun hunting potential. Based on the 225 Winchester case, it Modern inkjet printers offer high print quality while still providing fast print times. But an inkjet printer is only as good as the ink cartridges inside, and when one or more of ...The .309 JDJ round is one of many wildcat cartridges created by J.D. Jones, the original founder of SSK Industries and one of the legends of the firearms industry. Unlike most of those legends, Mr. Jones is still with us. Jones took a 444 Marlin case, sharpened the shoulder angle and necked it down to .308″.

Apr 9, 2012 · My .375 JDJ is a re-chambered Ruger #3 (originally chambered in .375 Winchester) done by JD Jones himself. I like the 225 grain Hornady .375 Spire Point backed by 54 grains of H4895 and sparked by CCI-Br2 primers. Gets real close to 2400 ft/sec in my rifle. If you have a T/C Contender, do not use this load. . Gas station near long beach airport

6.5 JDJ / 6.5mm JDJ Handgun Data (Using Nosler Bullets) reloading data with 36 loads. Using bullets from Nosler. Powders include Accurate, IMR, Alliant, Winchester, Hodgdon, VihtavuoriFind in stock 375 jdj ammo from the top online retailers to find the lowest price. Find Bulk 375 jdj ammunition fast and cheap with our ammunition search engine. JavaScript seems to be disabled in your browser.3 Nov 2017 ... Made by SSK Industries, the .950 JDJ is the largest sporting rifle made. The cartridge began as a 20mm Vulcan round, cut down to 70mm case ...The 700 JDJ was designed by JD Jones from SSK Industries around 1995 and used a 50 cal. case that was shortened and necked to .700 cal.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 ...List of rifle cartridges, by primer type, calibre and name. ... .30-06 JDJ.30-06 Springfield.303-06.30-30 Winchester.30-378 Weatherby Magnum.30-40 KragI only use Accu-Load because it was given to me, after this I might invest in QL especially if I'm going to keep playing around with non-standard cartridges. Here is what we were able to come up with: Cartridge : .375 JDJ. Bullet : …The JDJ fires a .95 caliber 2400 grain bullet at 2100 fps using 240 grains of powder, which generates 25,400 ft/lbs of muzzle energy and 277 ft/lbs of recoil energy. Simply put, it’s extremely heavy, kicks like a mule, you’d be paying $40/cartridge, and you know you want one. sskindustries.com. Tags: SSK IndustriesJD Jones' .950 JDJ cartridge is a generally described as the largest sporting rifle cartridge ever produced, producing more energy than even the 4-bore cartridges that match it in bore diamete. Failed to …Inkjet printers are ubiquitous nowadays, but not all of them use ink cartridges. HP has developed a new printing technology called Insta Ink that doesn’t require any cartridges. He...12 Feb 2024 ... 0:00 Intro 1:46 9.3x72R 9:20 9.3x57mm 11:15 9.3x62mm 19:17 9.3x74R 22:25 9.3x64mm Brenneke 26:38 370 Sako (9.3x66mm) 28:44 38-55 Winchester ...The well-known .375 JDJ wildcat cartridge is an interesting hunting cartridge for the handgun. It’s formed by necking down the .444 Marlin case to a .375. It has a reputation for putting down elephants, Cape buffalo, moose, elk and grizzly bear, as well as wild boar. As one might expect, the .375 JDJ cartridge generates a lot of muzzle blast ...Source (s): Cartridges of the World [1] The .338 Whisper ( 8.59x38mm) is a wildcat cartridge in the Whisper family, a group of cartridges developed in the early 1990s by J.D. Jones of SSK Industries. [1] Unlike the smaller caliber cartridges in the Whisper family, loads for the .338 Whisper are mainly limited to subsonic velocities.The .950 JDJ cartridge is a large bore rifle cartridge developed by J.D. Jones of SSK Industries. Jones is also the noted developer of many other well known cartridges, such as the Whisper family. Cartridge The .950 JDJ is among the world s most…22 Feb 2024 ... The 950 JDJ known as Fat Mac has achieved its own share of internet fame in recent years. Now, collectors had their opportunity to own the ...The .257 is the original dual purpose caliber. You see, that is the allure of .25 caliber rifle cartridges. Unlike the 6.5 caliber cartridges, .25s can handle lightweight 70-gain bullets for ...The cartridge is based on the 444 Marlin case necked down to hold a .375 caliber bullet. The 220 grain flat point bullets can be propelled as fast from the .375 JDJ as from the .375 Winchester big bore, making it an effective game cartridge. The 270 grain bullet can reach up to 2000 fps while three powders produced 1900 fps with the 300 grain ... Best known is his family of cartridges made by necking down the .444 Marlin case and fireforming to a bit less body taper and a 40-degree shoulder. Among those, my favorite is the .309 JDJ (.308-inch bullet), although I also enjoy hunting with SSK barrels chambered for the 8mm, .358 and .375 littermates. Sep 6, 2023 · All of these types of custom rounds belong in a 14" or longer barrel. 1) Starting from a .30 Herrett barrel, rechamber to .30/30 Improved or .30 Alaskan. 2) Starting from a .30/30 barrel, rechamber to .308 Bellm. 3) .309 JDJ and its case capacity do not belong in a Contender barrel, handgun or rifle, in spite of SSK's hype to the contrary, but ... .

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