600 nitro express vs 50 bmg

Ontario, Canada, RSA. 600 OK... (Over Kill) is an entirely different animal from 600 Nitro Express. The only thing they have in common is .620 caliber. Naturally the 600 NE is for the double rifles, and the 600 OK for big bolt guns. 600 NE Rimmed and the 600 OK is a Belted Case. We have had 3 such rifles here doing test work in past years, the ...

600 nitro express vs 50 bmg. An elephant gun is typically a .600 Nitro Express or larger. This caliber is large enough to take down even the largest game, such as elephants. ... Elephant guns come in a variety of calibers, from .50 BMG up to .600 Nitro Express. The biggest and most powerful ones can fire rounds that are more than half a foot long! They also tend to …

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The .700 nitro express ballistics develops an approximate average of 8,900 foot-pounds force (12,100 J) of muzzle energy with a 1,000 gr (65 g) bullet at 2,000 ft/s (610 m/s). Handloaders can push the cartridge to generate as much as 15,000 foot-pounds (20,000 J) of energy in a modern bolt action, by using a 1,000 gr (65 g) bullet fired at ...As the United States’ post-pandemic reopening plans increasingly look like a bad on-again-off-again relationship in many states, many workers have been concerned about losing their...#1. Why is the .50 BMG always better than larger hunting rounds such as the .577 Tyrannosaur, .585 Nyati, .600 Nitro Express, and .600 Overkill? The .600 Overkill is …Jul 23, 2015 · According to Wikipedia, the handgun costs about $17,000 and each .600 Nitro Express round costs $40, making this far and above more expensive than even the .50 BMG. When someone has to wear a helmet to fire the revolver, I think the loading is just a wee bit too hot. But, equipped with gloves, helmet and a huge muzzle brake, a dare-devil goes ... The .600 Nitro Express is one of the biggest handgun bullets available, mainly designed for big game hunting. 4. What is the largest shotgun gauge? The largest …Isn’t 600 Nitro bigger than 50 BMG? Reply reply rabid_dog2 • Yes but not necessarily more powerful Reply reply jetcool8 • 600 Nitro express: 8400 ft-lbs 50 BMG: 14,000~ ft-lbs Reply reply More replies More replies. chaosfire235 • Wasn't there a .700 Nitro Express? ...The .416’s. Of the heavy game cartridges, those of the .416” family hold the middle ground. The .416’s obtain a balance of heavy bullet weight, wide frontal area versus ‘less than maximum’ recoil. While the 300 grain weight is ideal in the .375’s for use on DG, the .416’s obtain optimum results with 400 grain bullets.

In today’s video we have some fun with a 600 Nitro Express! I hope you enjoy the video and thanks for watching! Please support Kentucky Ballistics on Patreon...The most powerful rifle caliber is often considered to be the .50 BMG (Browning Machine Gun) round. ... .700 Nitro Express, and .600 Nitro Express. Are there any restrictions on owning a .950 JDJ? Laws regarding the ownership of a .950 JDJ vary by country and state, so it’s important to research local regulations before purchasing one. ...The 5.45-inch 50 BMG round is much larger than the 50 Beowulf. The 3.91" bottleneck case is rimless with a base of 0.804". The bullet diameter is only slightly larger at 0.51". A standard .50 BMG cartridge fires a full metal jacket (FMJ) bullet weighing 647 grain, nearly double some of the 50 Beowulf bullets.Metallic Cartridges, Calibre by Calibre. Tables of components, dimensions and quantities for loading or reloading particular calibres of metallic centerfire ammunition. I have information on some of the less common calibres and a few wildcats, I had a great deal more, but much of it was in the filing cabinets at my factory when I became bankrupt and …Collective hysteria affected 600 girls in Chalco, Mexico, a town near Mexico City. Learn about collective hysteria and causes of collective hysteria. Advertisement How much power d...

.600 Nitro Express.470 Nitro Express.50 Beowulf.50 BMG 20×102 M55A3 25×137 M793: 30×173 CPIC 30×211 vz.53 35×228 Oerlikon KD L43 40x311mmR L/70 40×365mmR L/70 57mm 84×618mmR QF 20-PDR 120mm DM53 100mm TK APFSDS Obusier de 400 modèle BL 18-inch railway howitzer Obusier de 520 modèle 600mm Karl …With a bullet diameter of 0.510 inches (hence the name), the 50 BMG packs a serious punch. Weighing in at around 647 grains (that’s over 41 grams!), this projectile is a hefty piece of lead. Propelled by an immense amount of gunpowder, the 50 BMG bullet can leave the barrel at speeds surpassing 2,800 feet per second (853 meters per second).When you're looking for an airline bump, know your price and stick to it. Today, I want to share a story from TPG reader Tommy, who overplayed his hand in search of an airline bump...The increased energy inherent in smokeless powder meant they could slim down to .577, .50, .45, and even .41 diameters and best the performance of the old guns. Thus emerged such icons as the 500 Nitro …

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Feb 28, 2022 · Claim The pressure wave produced by a .50 BMG round can kill a whitetail deer without hitting it. Origin In 2017, Keith Warren, celebrity hunter and host of “The High Road” television show, published a video on YouTube in which he hunts a whitetail doe with a rifle chambered in .50 BMG. Warren appears to hit the deer in the head, and it ... Join a club that does 50 bmg shoots and you can own one in Vic. 10 gauge is the actually the biggest, cat A. Most States the largest caliber catridge rifle 'commonly' available would be a 600 Nitro. .70 cal muzzle loaders are also a thing though, but tedious to use and because they are black powder relatively gutless.The .600 Nitro Express, the second most powerful African big game rifle cartridge, has around 8,200 ft⋅lbf (11,100 J) of kinetic energy. This makes a 20mm Anzio rifle 5.85 times as powerful as a rifle chambered in .600 Nitro Express. The Anzio 20/50 has approximately 22,000 ft⋅lbf (30,000 J) of kinetic energy with an 800-grain (52 g) bullet.The .700 Nitro Express is a big game rifle cartridge made by Holland & Holland, London, England. It was developed in 1988 by Jim Bell and William Feldstein and built by H&H. Feldstein had tried unsuccessfully to get H&H to build a .600 Nitro Express for him, but they had already ceased production. The .700 H&H fires a 1,000-grain bullet at ...In every performance category, the .50 BMG easily outclasses any conventional rifle cartridge. With 12,000 to 14,000 ft.-lbs. of muzzle energy, the .50 BMG is more than twice as powerful as the ...No, the .700 Nitro Express is not stronger than the .50 BMG. While the .700 Nitro Express is a large-caliber rifle cartridge primarily designed for big-game hunting, the .50 BMG (Browning Machine Gun) is a more powerful cartridge, designed for a different purpose, including anti-materiel applications and long-range precision shooting.

The .700 Nitro Express is a big game rifle cartridge made by Holland & Holland, London, England. It was developed in 1988 by Jim Bell and William Feldstein and built by H&H. Feldstein had tried unsuccessfully to get H&H to build a .600 Nitro Express for him, but they had already ceased production. The .700 H&H fires a 1,000-grain bullet at ...The .460 Mag is one of the heaviest recoiling cartridges in the world, coming in at right at 100 lbs to the shoulder per shot. (Source: Chuck Hawks online recoil table). Of course a 50 BMG rifle weighs on the chart twice as much as the .460 rifle, so big weight difference to help with recoil on the 50BMG. 6. tatetoter.The .50 BMG cartridge has a muzzle energy of 13196 foot-pounds while .470 Nitro Express cartridges have 5132 foot-pounds of muzzle energy..50 BMG vs. .470 Nitro Express Size Differences. There are some differences in dimensions between .50 BMG and .470 Nitro Express cartridges. The diameter of a cartridge is important for gun …The latter was developed by necking down the .577 Black Powder Express to .508". Whilst very similar to the .577/500 No 2 Black Powder Express the two are not interchangeable. Use. Despite being a similar size, the .577/500 NE is not nearly as powerful as the .500 Nitro Express and is not suitable for such thick-skinned game as elephant.#1. Why is the .50 BMG always better than larger hunting rounds such as the .577 Tyrannosaur, .585 Nyati, .600 Nitro Express, and .600 Overkill? The .600 Overkill is …4. The .50 BMG should be more accurate due to being a higher velocity spitzer round. 5. A cheap .700 Nitro Express rifle is $10,000 and cheap ammunition is $50 per cartridge. That is more than military and police grade .50 BMG rifles and ammunition. 6. Unless you are hunting elephants or have a lot of money to spend on showpieces the .50 BMG is ... The .600 Nitro Express, the second most powerful African big game rifle cartridge, has around 8,200 ft⋅lbf (11,100 J) of kinetic energy. This makes a 20mm Anzio rifle 5.85 times as powerful as a rifle chambered in .600 Nitro Express. The Anzio 20/50 has approximately 22,000 ft⋅lbf (30,000 J) of kinetic energy with an 800-grain (52 g) bullet. how much does a 700 nitro express gun cost. Double rifles are extremely expensive, starting at about US$10,000 and selling up to US$260,000 in 2015, and have generally been replaced by repeater-rifles using rounds such as the . 458 Winchester Magnum. Single factory loaded . 700 Nitro cartridges are available, Discounted typically at US$1.6 each.It feels like the finale of a long-running soap opera—the characters are Indian politicians and officials, and the cold, heartless vaults of Swiss banks. It feels like the finale o...The reason is the 500 Nitro Express is a rimmed rifle cartridge, so it functions better out of a break-action gun, which extracts the casing when you open it. According to a blog post by the Safari Club International, double rifles became synonymous with dangerous game hunting because they were easily sized for large cartridges.The 700 Nitro Express has a muzzle energy of up to 15,000 foot-pounds (20,000 J), while the .50 BMG has a muzzle energy of up to 13,000 foot-pounds (17,600 J). However, the .50 BMG is a more efficient cartridge, so it retains its energy better over longer distances.

how much does a 700 nitro express gun cost. Double rifles are extremely expensive, starting at about US$10,000 and selling up to US$260,000 in 2015, and have generally been replaced by repeater-rifles using rounds such as the . 458 Winchester Magnum. Single factory loaded . 700 Nitro cartridges are available, Discounted typically at US$1.6 each.

The .50 BMG cartridge has a muzzle energy of 13196 foot-pounds while .450 Nitro Express cartridges have 4927 foot-pounds of muzzle energy..50 BMG vs. .450 Nitro Express Size Differences. There are some differences in dimensions between .50 BMG and .450 Nitro Express cartridges. The diameter of a cartridge is important for …600 nitro express for sale and auction. Buy a 600 nitro express online. Sell your 600 nitro express for FREE today on GunsAmerica!In its current form, the .500 Nitro Express fires a 570-grain bullet at 2,150 fps, and may well be the top dangerous-game cartridge of all. (You could argue that the .460 Weatherby is its equal...Apr 2, 2023 · I shot 1 hippo on land with a .600 Nitro Express (Rifle was a Heym Jumbo). And an American bison with a .505 Gibbs (Rifle was a custom piece built on a Granite Mountain Arms African Magnum Mauser action). I absolutely loved both calibers and dream of owning a Holland & Holland Royal sidelock ejector in .600 Nitro Express someday. In its current form, the .500 Nitro Express fires a 570-grain bullet at 2,150 fps, and may well be the top dangerous-game cartridge of all. (You could argue that the .460 Weatherby is its equal...The .50-140 Sharps, also known as the .50-3 1 ⁄ 4" Sharps, is a black-powder rifle cartridge that was introduced in 1884, as a big game hunting round. It is believed to have been introduced for the Sharps-Borchardt Model 1878 rifle. The cartridge is very similar to the .500 Black Powder Express.. This round was introduced by Winchester 3 years after the …Reticle Type: The BDC 600 reticle with Spot On Ballistic Technology. Magnification: Variable 3-9x power. Eye Relief: ... No, the .700 Nitro Express is not stronger than the .50 BMG. While the .700 Nitro Express is a large-caliber rifle cartridge primarily designed for big-game hunting, the .50 BMG (Browning Machine Gun) is a more powerful ...

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Gun #: 968677296. $143.99. 1000+ Listings Found Page 1 of 362 1 2 3 ... 362. Lc | 62.4948ms|2|1. Franchi Model 620 VS, 20 Gauge Shotgun, Italian Made for sale and auction. Buy a Franchi Model 620 VS, 20 Gauge Shotgun, Italian Made online. Sell your Franchi Model 620 VS, 20 Gauge Shotgun, Italian Made for FREE today on GunsAmerica!Starting in 2022, selling as little as $600 worth of stuff on a site like Ebay, Etsy or Facebook Marketplace, will prompt an IRS 1099-K. By clicking "TRY IT", I agree to receive ne...อาวุธยุทโธปกรณ์. ก็ตามที่ถามจากมิสเตอร์ No enemy. ข้าพเจ้าต้องสมัครใหม่เนื่องจากการตั้งกระทู้ 18 + ที่ทำให้ทีมงานตัดสินใจแบนเเบบ ...The country's national assembly speaker called social media a “pandemic.” When a packed train derailed in late October in Cameroon, killing more than 70 people and injuring 600, th...Recoil: 4.84. Power Rank: 10.67 of 20. The .470 Nitro Express was designed in 1900 by Joseph Lang of England. The cartridge was released to the commercial market in 1907 for large and dangerous game hunting in warm climates. The case is rimmed and necked with a .475 inch bullet, Berdan 254 or Federal 216 primer, along with a 20 twist.The country's national assembly speaker called social media a “pandemic.” When a packed train derailed in late October in Cameroon, killing more than 70 people and injuring 600, th...The .600 Nitro Express, the second most powerful African big game rifle cartridge, has around 8,200 ft⋅lbf (11,100 J) of kinetic energy. This makes a 20mm Anzio rifle 5.85 times …According to Wikipedia, the handgun costs about $17,000 and each .600 Nitro Express round costs $40, making this far and above more expensive than even the .50 BMG. When someone has to wear a helmet … ….

The .600 Nitro Express is a classic cartridge introduced by W.J. Jeffery & Co. in 1903. Carrying a 900-grain bullet, the .600 is considered the second largest caliber in the Nitro...The .600 Nitro Express, the second most powerful African big game rifle cartridge, has around 8,200 ft⋅lbf (11,100 J) of kinetic energy. This makes a 20mm Anzio rifle 5.85 times as powerful as a rifle chambered in .600 Nitro Express. The Anzio 20/50 has approximately 22,000 ft⋅lbf (30,000 J) of kinetic energy with an 800-grain (52 g) bullet.Nitro Express je řada nábojů, které se používají v puškách velké ráže určených pro lov velkých zvířat, například slonů. Název těchto nábojů je dovozen od výmetné slože, kterou jsou laborovány. Tou je totiž nitrocelulózový, nebo nitroglycerínový střelný prach, případně kordit. Nábojnice jsou většinou s ...Rifle Recoil Table. For every action there is an equal and opposite reaction; that is one of the physical laws of our universe. This means that the momentum of a rifle's reaction will exactly equal the momentum of the bullet and powder gasses ejected from the barrel. In the shooting sports we call that reaction recoil or "kick."Cartridge Type: Height: 3.5". Width: 0.89". Average FPS: 1950. Average Energy: 844. Average Gr: 100. Recoil: 9. *Casing image above is an artist rendering and not a real photo of .700 Nitro Express Ballistics cartridge. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to ...The 700 nitro express fires a heavier bullet and delivers more energy. The 50 BB Weatherby Magnum is a softer and more accurate round.460 Weatherby cartridge was introduced in 1958 and was the most potent commercial cartridge for 29 years. The 500-grain slug traveled at 2,700 fps and produced eight hundred foot-pounds of energy.We would like to show you a description here but the site won’t allow us.Claim The pressure wave produced by a .50 BMG round can kill a whitetail deer without hitting it. Origin In 2017, Keith Warren, celebrity hunter and host of “The High Road” television show, published a video on YouTube in which he hunts a whitetail doe with a rifle chambered in .50 BMG. Warren appears to hit the deer in the head, and it ... 600 nitro express vs 50 bmg, Graphic Content: Hoof rot and Coyotes kill an elk and we check it out., Finally acquired: a .700 Nitro Express and .577 Tyrannosaur cartridge : r/guns The "Big 50" | RifleMagazine 700 BMG wildcat - General Ammunition Discussion - International Ammunition Association Web Forum, #1. Why is the .50 BMG always better than larger hunting rounds such as the .577 Tyrannosaur, .585 Nyati, .600 Nitro Express, and .600 Overkill? The .600 Overkill is …, No, an elephant gun is not bigger than 50 cal. By comparison, the largest caliber that has been used on elephants is the .700 Nitro Express. It produces 8,900 foot-pounds (12,100 J) of muzzle energy and has a muzzle velocity of 2,000 ft/s. The .50 BMG on the other hand, has a smaller diameter but tends to be a taller bullet., Nov 18, 2023 · The .50 BMG cartridge has a larger diameter than the .470 Nitro Express cartridge by 0.035 inches. The overall length of a cartridge determines how deep a bullet will sit in a case. The length of a .50 BMG cartridge is 99mm millimeters. The length of a .470 Nitro Express cartridge is 83mm millimeters. The .50 BMG cartridge is longer than the ... , Gun #: 921114522. $6.99. 1 Image (s) Carbon Express CARBON EXPRESS ARROW MAXIMA RED SD 350 W/2" BLAZER VANE 6P. Seller: CMJ Supply. Gun #: 981179770. $109.99. 1 Image (s) Carbon Express CARBON EXPRESS ARROW MAXIMA RED SD 350 W/2" BLAZER VANE 6P., 50 BMG LOAD DATA: TWIST 1: 15: PRIMER: CCI 35: BARREL LENGTH: 29: BULLET WEIGHT: BULLET TYPE: SEAT DEPTH: PROPELLANT: GR: FPS: 700: ... 375 Flanged 2½'' Nitro Express Load Data. 375 H&H Magnum Load Data. ... 600 Nitro Express Load Data. 700 Caliber. 700 Nitro Express Load Data. 50 Caliber. 50 BMG …, Claim The pressure wave produced by a .50 BMG round can kill a whitetail deer without hitting it. Origin In 2017, Keith Warren, celebrity hunter and host of “The High Road” television show, published a video on YouTube in which he hunts a whitetail doe with a rifle chambered in .50 BMG. Warren appears to hit the deer in the head, and it ..., The rifles (there is more than one now) weigh 19 pounds. The recoil force is 160 foot-pounds, which is considerably more than the .600, and 10 times the kick of a .308. 50 BMG has about 1,5 times more kinetic energy than the . 700 Nitro Express, and it is a spitzer bullet, meaning it will penetrate armor way better (which it is designed for ..., Apr 28, 2001 · 700 Nitro Express . We built this rifle on a 50 BMG single shot action, and a 23 1/5" barrel made in Ferlach, Austria. The rifle weighs in at 18 1/4 pounds. We used Searcy brass and Federal 215 primers. We had hang fires in all the loads we tried, until we used 2 grains of Alliant Bullseye to help ignite the powder charge. , Today, we are looking at two very different rounds and comparing and contrasting the two. The first is the mighty .50 BMG, one of the OGs of the .50 cal game. …, Jul 20, 2021 · The rifles (there is more than one now) weigh 19 pounds. The recoil force is 160 foot-pounds, which is considerably more than the .600, and 10 times the kick of a .308. 50 BMG has about 1,5 times more kinetic energy than the . 700 Nitro Express, and it is a spitzer bullet, meaning it will penetrate armor way better (which it is designed for ... , The 5.45-inch 50 BMG round is much larger than the 50 Beowulf. The 3.91" bottleneck case is rimless with a base of 0.804". The bullet diameter is only slightly larger at 0.51". A standard .50 BMG cartridge fires a full metal jacket (FMJ) bullet weighing 647 grain, nearly double some of the 50 Beowulf bullets., The .600 Nitro Express, along with the .577 Nitro Express, was a specialist backup weapon for professional elephant hunters. Too heavy to be carried all day and used effectively, it …, “Bob’s Big Boom Sticks” Shirts - https://www.kentuckyballistics.com/products/kentucky-ballistics-big-bobs-boom-t-shirtIn today’s video we see how much bullet..., In many places, ownership of firearms with calibers larger than .50 is heavily regulated or prohibited by law. What are some examples of firearms using calibers larger than .50? Examples include the Barrett M82A1 anti-materiel rifle ( .50 BMG), the Pfeifer Zeliska .600 Nitro Express revolver, and the Anzio 20mm rifle., The .700 nitro express ballistics develops an approximate average of 8,900 foot-pounds force (12,100 J) of muzzle energy with a 1,000 gr (65 g) bullet at 2,000 ft/s (610 m/s). Handloaders can push the cartridge to generate as much as 15,000 foot-pounds (20,000 J) of energy in a modern bolt action, by using a 1,000 gr (65 g) bullet fired at ..., Ballistics of 700 nitro express for sale. The 700 nitro express ballistics develops an approximate average of 8,900 foot-pounds force (12,100 J) of muzzle energy with a 1,000 gr (65 g) bullet at 2,000 ft/s (610 m/s). Handloaders can push the. cartridge to generate as much as 15,000 foot-pounds (20,000 J) of energy in a modern bolt action,, Graphic Content: Hoof rot and Coyotes kill an elk and we check it out., Login – Create Account; keep up with other runners crossword cluemount joy borough tax collector; does tucker die in grey's anatomy, The diameter of a .50 Action Express cartridge is 0.5 inches (12.7 millimeters). The diameter of a .50 BMG cartridge is 0.51 inches (12.954 millimeters). The .50 Action Express cartridge has a smaller diameter than the .50 BMG cartridge by 0.01 inches. The overall length of a cartridge determines how deep a bullet will sit in a case., The .600 Nitro Express, the second most powerful African big game rifle cartridge, has around 8,200 ft⋅lbf (11,100 J) of kinetic energy. This makes a 20mm Anzio rifle 5.85 times as powerful as a rifle chambered in .600 Nitro Express. The Anzio 20/50 has approximately 22,000 ft⋅lbf (30,000 J) of kinetic energy with an 800-grain (52 g) bullet. , The latter was developed by necking down the .577 Black Powder Express to .508". Whilst very similar to the .577/500 No 2 Black Powder Express the two are not interchangeable. Use. Despite being a similar size, the .577/500 NE is not nearly as powerful as the .500 Nitro Express and is not suitable for such thick-skinned game as elephant., how many calories in a chicken shish kebab no pitta . Laerskool Selectionpark is rotonda west fl in a flood zone, Ontario, Canada, RSA. 600 OK... (Over Kill) is an entirely different animal from 600 Nitro Express. The only thing they have in common is .620 caliber. Naturally the 600 NE is for the double rifles, and the 600 OK for big bolt guns. 600 NE Rimmed and the 600 OK is a Belted Case. We have had 3 such rifles here doing test work in past years, …, Jun 26, 2020 · Ontario, Canada, RSA. 600 OK... (Over Kill) is an entirely different animal from 600 Nitro Express. The only thing they have in common is .620 caliber. Naturally the 600 NE is for the double rifles, and the 600 OK for big bolt guns. 600 NE Rimmed and the 600 OK is a Belted Case. We have had 3 such rifles here doing test work in past years, the ... , No, the .700 Nitro Express is not stronger than the .50 BMG. While the .700 Nitro Express is a large-caliber rifle cartridge primarily designed for big-game hunting, the .50 BMG (Browning Machine Gun) is a more powerful cartridge, designed for a different purpose, including anti-materiel applications and long-range precision shooting., The .50 bmg is way more powerful in energy though than the strongest of these. The most powerful is actually the .577 tyrannosaur out of the rest at 750 gr 2,480 fps 10,240 foot pounds. The .700 nitro is 1,000 grain 2,000 fps 9,000 foot pounds. .50 bmg ranges between 13,310-14,895 foot pounds, Looking at the capacity, the 577 tyrannosaur is similar to the .600 Nitro Express. The 577 tyrannosaur features 750 gr solid bullet rated at 2400 fps while the .50 BMG cartridge …, The .50 BMG (Browning Machine Gun) and .50 AE (Action Express) are two distinct cartridges that share the same bullet diameter of .50 inches (12.7mm), but they serve different purposes and have different characteristics. Here's a comparison between the two: 1. Design and Origins: - .50 BMG: The .50 BMG was developed for use in heavy …, 600 Nitro Express from a Revolver -The Firearm Blog. Jan Andreas - Ammo size comparison from 2mmBritishRF-Berloque to 20×102 vulcan. How does the .700 Nitro Express compare to the .50 BMG? - Quora. Magnum Crazy: Picking The Right Caliber for the Job :: Guns.com. 50 BMG | Ballistics by the inch., Reduced velocity practice load. The 500 A-Square was designed by Art Alphin of the A-Square Company for maximum penetration and shock power on dangerous game. Pushing a 600 grain bullet at 2400 f.p.s., the 500 A-Square is everything that a bolt gun afficianado could want. It uses a 460 Weatherby case necked up to .510" and slightly improved., The .600 Nitro Express dates back to the year 1900, courtesy of a Mr. W.J. Jeffrey (1857-2909), a Londoner who started in the gun trade in 1885 and would go on to design some of the best ...