243 winchester ballistics table

Sierra Pro-hunter. Based on the parent .308 Winchester case, the .243 first appeared in 1955 in Winchester's model 70 bolt-action. It was envisioned as a "dual-purpose" cartridge, highly useful for both varmints and medium game. Remington more or less concurrently brought out the .244 Remington in their model 722 bolt-action gun.

22-250 Remington is its name, and speed is its game: This .22 caliber rifle cartridge boasts a muzzle velocity that can exceed 4,000 fps. That's well over Mach 3! With its 55 grain or lighter bullet and laser-like trajectory, the 22-250 is a varmint round through and through. Some hunters make good use of it for deer hunting via pinpoint shot ...The .243 Win was lucky upon its introduction on the market, because Remington introduced a similar .244 Remington round which fired the same bullets at higher muzzle velocity and energy, but was offered in the wrong twist rate (1:12) compared to the optimal twist rate of the .243 Win (1:10). ... .243 vs .308: Ballistics. The ballistics section ... The .243 Winchester ( 6×52mm) is a popular sporting rifle cartridge. Developed as a versatile short action cartridge to hunt both medium game and small game alike, it "took whitetail hunting by storm" [2] when introduced in 1955, and remains one of the most popular whitetail deer cartridges. It is also commonly used for harvesting blacktail ... Ballistic Coefficients of: 0.39 0.37 0.33 0.33 0.33. Velocity Boundaries (Feet per Second) of: 2720 2040 2040 2040. Wind Direction is: 3.0 o’clock and a Wind Velocity of: 10.0 …Ballistics is the science of projectiles and firearms, or in other words, the info you need to BAG YOUR GAME! .223/5.56, .270, .308, 30-06, and .300 Win Mag. Trajectory, Velocity, Energy, over 80 specific rounds, and totally interactive and customizable.

The following ammunition cartridge ballistics information and chart can be used to approximately compare .243 Winchester vs .300 Winchester Magnum ammo rounds. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weig4th Edition Exterior Ballistics Tables - Rifle To view a table simply click on it, and an adobe acrobat pdf will open in a new window..223 Diameter Bullets 40 gr. Hornet 45 gr. Hornet.224 Diameter Bullets 40 gr. Hornet 40 gr. HP 45 gr. Hornet 45 gr. SMP 45 gr. SPT 50 gr. SMP 50 gr. SPT 50 gr. Blitz 55 gr. SPT 55 gr. Blitz 55 gr. SMP 55 gr ...Fred Huntington of RCBS fame came up with a similar cartridge, the .243 Rockchucker. The idea was to have one dual-use cartridge that could drive 80-grain varmint bullets in the 3,200 f.p.s. range ...The following ins a 500 yd 270 Win ballistic trajectory and drop chart that follows a 130gr Winchester Silvertip with a ballistic coeddicient of .337 from the time it exits the muzzle until it hits the 500 yard mark. All data created using our free ballistic calculator. It details drop, time, energy, velocity, range, and does so in 50 yard ...Oct 19, 2022 ... 0:00 Intro 1:32 243 Winchester vs 270 Winchester Cartridge History & Development 11:25 Cartridge Sizes 13:08 Trajectory & Kinetic Energy ...Dec 3, 2023 ... ... comparison of actual measured velocity versus factory stated velocity. My goal with these ballistics gel tests is to provide hunters like ...Complete .223 Remington ammunition ballistics Chart. Compare all .223 ammunition manufacturers on one chart. All the ballistics from all manufacturers, finally... in one place. Handgun Ballistics . ... 243 Winchester 270 Winchester 300 Winchester Magnum 300 AAC Blackout 30-30 Winchester 30-06 Springfield 308 Winchester 5.45x39 50 Beowulf 50BMG

Ballistic Silvertip ammunition provides hunters proven explosive impact and extreme precision. Innovation combined with engineering excellence makes Ballistic Silvertip the choice for those who appreciate the legendary excellence Winchester is known for around the world. Usage: Brand: Ballistic Silvertip. Rounds per box: 20. Rounds per case: 200.Winchester had a crafty, two-pronged strategy for the .243 Win., and it worked. Winchester thought of the .243 Win. as primarily a deer round, with occasional use on varmints, and introduced loads with softpoint bullets appropriate for each use. The deer load had a 100-grain bullet at a listed 3,070 fps and an 80-grain varmint load at 3,500 fps.The .243 Winchester caliber/cartridge was developed and then made available for sale in 1955. It was released by Winchester for its Model 70 bolt action rifle and its Model 88 lever-action rifle. ... 6.5 Creedmoor vs .243 Ballistics Chart. Okay, that's enough nostalgia. Let's compare the numbers of these two rifle cartridges—.243 vs 6.5 ...The 6mm version is a necked-down version of the 6.5 CM with a .243" bullet instead of the 6.5 CM's .264″. Although originally introduced for target shooting, the 6.5 CM's long-range accuracy, high sectional density, and ability to inflict great energy upon impact suit it for hunting medium-sized game as well. 6.5 Creedmoor Ballistic ChartOct 9, 2013 ... Are these ballistics charts normally pretty accurate? I am shooting a Remington 700 if that matters. Also I will mainly be using it for ...Illustration courtesy of Hornady Mfg. Co. The .243 Winchester is a better varmint cartridge than the .25's, while remaining adequate for hunting deer and antelope. The .243 launches an 80 grain varmint bullet at a muzzle velocity (MV) of about 3,350 fps. This means it shoots about as flat as a .22-250, only its 80 grain spitzer bullet has a BC ...

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Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. It will a produce a line graph showing the bullet drop and flight path of the bullet. 243 Winchester 90gr Ballistic Tip Hunting Ammunition ; Muzzle, 100, 200, 300, 400 ; 3100, 2842, 2599, 2368, 2149 ...Here's Why 7mm-08 Defeats 308 Winchester Every Time. The 308 is throttled by a case that just can't hold enough powder to take advantage of heavy, high B.C., .308" bullets. Remember, B.C. is a product of a projectile's mass (weight,) form (shape,) and diameter. The longer and more tapered the shape in any given weight and the narrower the ...Oct 19, 2022 ... 0:00 Intro 1:32 243 Winchester vs 270 Winchester Cartridge History & Development 11:25 Cartridge Sizes 13:08 Trajectory & Kinetic Energy ...The ballistics calculator covers performance data for Winchester’s centerfire rifle, rimfire, centerfire handgun, slugs and shotgun ammunition. There’s even an iPhone Ballistics Calculator app so a gun owner can determine ballistic performance in the field or on the range. Now, before even purchasing ammunition, shooters can browse the ...The .243 stands above most 6mm cartridges. From left to right, the .243 Winchester, 6mm GT, 6 Dasher, 6 BR, and 6 ARC casings. (Photo: Jeff Wood/Guns.com) By narrowing the powder flow of the .308 ...

243 vs 6.5 Grendel. Most shooters will find 243 Winchester delivers more benefits in terms of ballistics. 243 Win is faster than 6.5 Grendel, has a flatter trajectory and typically delivers more energy downrange. Generally, you'll find more options for ammo in 243 than 6.5 Grendel too. However, if you're interested in an AR-10 platform ...243 vs 270 Ballistics. Our experts here at Ammo.com have scoured multiple manufacturers for the ballistics numbers of their most popular factory loads. Below you'll see ballistics tables for both 270 and 243 so you can compare your favorite loadings and see how their muzzle velocity, muzzle energy, and trajectory stack up..243 Winchester ...What is the "Sweet Spot" setting for my BOSS equipped rifle? The following are suggested "Sweet Spot" settings for Browning rifles that have the optional BOSS (Ballistic Optimizing Shooting System) . New loads and bullet weights may need different settings. This chart is only a guide. 150gr.Width: 0.44". Average FPS: 1294. Average Energy: 528. Average Gr: 142. Recoil: 0.89. Power Rank: 3.68 of 7. The .357 Magnum may be the ultimate handgun cartridge produced within the last 100 years. It was originally designed and released in 1934 by Phil Sharpe, and Elmer Keith. Elmer being a man who liked em big you might say as he later went ...Table saws can cut yards of sheet goods for days, but they can also be used in more subtle ways, like leveling furniture legs. Table saws can cut yards of sheet goods for days, but...Introduced in 1963, the .284 was Winchester's answer to the .280 Remington cartridge. Designed to fit in the short action Model 88 Lever action rifle and Model 100 semi automatic, the .284 can be regarded historically, as an early short magnum. The .284 was unique, featuring a short fat case with a rebated rim, (the rim is smaller in diameter ...Ballistic Silvertip ammunition provides hunters proven explosive impact and extreme precision. Innovation combined with engineering excellence makes Ballistic Silvertip the choice for those who appreciate the legendary excellence Winchester is known for around the world. Usage: Brand: Ballistic Silvertip. Rounds per box: 20. Rounds per case: 200.Federal Fusion, .243 Winchester, SPTZ BT, 95 Grain, 20 Rounds available at a great price in the Sportsman's Guide .243 Winchester Ammo collection ... NEVER use any Ammunition unless it is specifically designed for your firearm. This item cannot ship to Canada. CA Prop 63 prevents us from shipping ammo to CA. Key Features. Caliber: .243 ...Height: 2.035". Width: 0.473". Average FPS: 2856. Average Energy: 2282. Average Gr: 126. Recoil: 1.73. Power Rank: 3.6 of 20. The .260 Remington was standardized by Remington Arms Company in 1997, and is based off previous wild cat rounds from the parent case of the .308 Winchester. The design was originally applied to be standardized by Arthur ...

Rifle. Hunters and shooters alike can stay on-target with Winchester Ammunition's top-flight lineup of performance rifle ammo, like 6.8 Western, 30-06 Springfield, 270 WSM as well as brands like Winchester Ballistic Silvertip® and Deer Season XP®. Winchester offers the widest selection of rifle ammo for sale.

Then cite the Ballistics Computer data that shows the 243 bullet drops ONE-TENTH of an inch less. After that revelation, enter data for the 115-grain Ballistic Silvertip in a 25-06 Rem. and discover that its drop exactly matches the 243 Win., but it drifts a half inch less in a 10 mph crosswind.Let's celebrate a hunting round that is aging well. Prior to the 243 Winchester's arrival, America's most versatile, light-recoil, "dual-purpose" cartridges for hunting varmints and deer were the 250-3000 Savage and 257 Roberts. Both pushed .257 caliber bullets of 87- to 120-grains in the neighborhood of 2,600 to 3,200 fps.However, the .243 Winchester is a trusted cartridge with significantly less recoil. These considerations will help you determine which caliber is right for you based on your unique hunting style and needs. The following ballistics tables show a side by side comparison of the .243 Win. vs 6.5 Creedmoor based on bullet weight and various ...Since 1922, Winchester Super-X Ammunition has Provided Exceptional Quality and Outstanding Performance For decades, hunters and shooters have relied on Winchester Super-X rifle ammunition. Best known for time-proven dependability, the rounds offered include a hollow point and lead core for rapid expansion on game, as well as a thin-wall jacket ...The 308 is the standard hunting cartridge today. While it's got about the same ballistics as the previously most popular 30-06, it does it in a short action and with less recoil. Distance is decent and ammunition is inexpensive. The 308 is also used by many militaries as a sniping round as the (metric) 7.62×51.The following ammunition cartridge ballistics information and chart can be used to approximately compare .243 Winchester vs .270 WSM Winchester Short Magnum ammo rounds. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bJan 13, 2023 · Here is a 243 Winchester ballistics chart along with some history and what this centerfire rifle cartridge is used for in hunting. At the muzzle, the .243 Win rounds have an average bullet momentum of 41.5 while the 6.5mm Creedmoor have an average of 53.86. And these averages are excluding the lightweight .243 Win rounds. At the 100, 300, and 500 yard marker, the .243 Win rounds have an average bullet momentum of 38.2, 31.5, and 25.5 lb/ft.s.

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Below is a sample 30-06 bullet drop chart that gives you a general idea of the 30-06 Springfield trajectory. Note: The chart above is an example of one 30-06 load, and actual ballistic performance may vary depending on bullet weight, lot, barrel length, and environmental conditions while shooting.The 6.5 Creedmoor provides an excellent example of a flat trajectory, as its bullet drops relatively little at long range. The 270 Win has a .277” diameter bullet. Its ballistic coefficient (BC) varies from .261 to .508, depending on the bullet’s weight and design.What to look for The best bags are made of high-quality nylon (ballistic or Cordura), which resists tears while providing give. Another sign of quality:… By clicking "TRY IT...The .243 Winchester cartridge is a centerfire rifle cartridge that was introduced in 1955 by Winchester. It has a bullet diameter of .243 inches, a case length of 2.045 inches, and an overall length of 2.710 inches. The cartridge capacity is 53.5 grains of water, and it has a recommended twist rate of 1 in 10 inches.The trajectories in the table below were calculated for a maximum bullet rise of 1.5 inches above the line of sight for all small game and varmint loads, and three inches above the line of sight for all big game loads. In ballistics catalogs the point of maximum bullet rise is often called the mid-range trajectory, or sometimes the maximum ... Deer Season XP ammunition combines extensive experience into a product engineered specifically for deer hunters. The Extreme Point bullet features an oversized impact diameter. The larger impact diameter means more impact trauma, better energy transfer and larger wound cavities for faster knockdown. Features of this bullet include a tapered ... By taking a 6.5mm Grendel cartridge and using a 6mm bullet (.243 inches), researchers developed a low-recoil, high-accuracy round that delivers effective performance at distances of 500 yards and beyond. ... The Best Self Defense Ammo - Interactive Ballistics Table Ammo Topics November 29, 2023; Shooting Firearms on Federal Land Range ...300 Win Magnum; 300 Win Short Magnum; 308 Win; 375 H&H Magnum; 6.5 Creedmoor ... The Federal Ballistics Calculator lets you quickly determine the trajectory for any ... ….

Here is the short answer: The 243 Winchester has more energy, is more available, and has better ballistics than the 6.5 Grendel. However, the 6.5 Grendel has less recoil and is better for hunting varmints. With the short answer out of the way, we can look closely at each cartridge, their ballistics, and how they compare in-depth.The 1 in 12 inch twist is ideal for best accuracy with varmint weight bullets (70-85 grains) in a high velocity .24 (6mm) caliber rifle. The heaviest spitzer bullet that a .244 with a 1 in 12 inch twist barrel could stabilize was 90 grains. .243 Winchester barrels, on the other hand, were rifled 1:10" to stabilize bullets as heavy as 105 grains.The .243 Winchester of 1955 doesn't look that much bigger than the .30-30 of 1895, but its higher allowable chamber pressure, larger powder volume, and sharply tipped, high B.C. bullets give it more muzzle energy and downrange energy with a 100-grain bullet than the .30-30 can chum out with a 150-grain bullet. ... A .243 Ballistics table. Ron ...Energy lists kinetic energy remaining in the bullet at each distance. Trajectory shows where the bullet should strike at the various ranges. Note the -1.5 inches at the muzzle. This reflects the average distance of the scope reticle above the bore. With some large-objective scopes, this could be -1.75 or -2 inches.0.356 ballistic coefficient; 2,960 fps muzzle velocity; 1,945 ft.-lb. muzzle energy. Specifications. Hunting - Species: Deer; Number of rounds: 20; Product Type ...Chuck Hawks shares more information about rifle cartridge ballistics in this improved table. Improved Rifle Ballistics Table By Chuck Hawks. Note:For an expanded version of this table showing more loads, including ... .243 Win. (55 BT) 4025/1978: 3597/1579: 3209/1257: 2853/994.243 Win. (80 PSP) 3350/1993: 2955/1551: 2593/1194: 2259/906.243 Win ...Varmint X rifle ammunition is designed specifically with sleek, polymer-tipped bullets that are explosive on impact. Varmint X combines the proven lethality Winchester is known for with today's latest technology, giving hunters their ammunition of choice for pursuing everything from prairie dogs to coyotes. The polymer tip maximizes long-range ...Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. Today, those same performance qualities are every bit a part of Weatherby cartridges. Weatherby's move to Wyoming is an exciting step towards the … 243 winchester ballistics table, Ballistic Silvertip ammunition provides hunters proven explosive impact and extreme precision. Innovation combined with engineering excellence makes Ballistic Silvertip the choice for those who appreciate the legendary excellence Winchester is known for around the world. Usage: Brand: Ballistic Silvertip. Rounds per box: 20. Rounds per case: 200., Trajectory. Calculate a trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Library (Select bullet or enter BC and Weight below.) [?], A multiplication table is an easy-to-use grid of numbers that can help you learn to multiply quickly by using the chart and, eventually, your memory. Advertisement OK, here's the t..., The .243 is going to hit us with 11-foot-pounds of energy and a recoil velocity of 10fps. Mild by anyone's standards. Our .308 will recoil with 20-foot-pounds of energy and a recoil velocity of 13 fps. In my opinion, the .308 is a very easy shooting round., Since 1922, Winchester Super-X Ammunition has Provided Exceptional Quality and Outstanding Performance For decades, hunters and shooters have relied on Winchester Super-X rifle ammunition. Best known for time-proven dependability, the rounds offered include a hollow point and lead core for rapid expansion on game, as well as a thin-wall jacket ..., Our rifle cartridge ballistic chart. Each caliber has it's own bullet ballistics row, broken down by coeficient, muzzle velocity, and drop. Our rifle cartridge ballistic chart. Each caliber has it's own bullet ballistics row, broken down by coeficient, muzzle velocity, and drop. ... 243 Winchester Super Short Magnum: 95.411: 3,150: 2,912: 2,687 ..., Cartridge Type: Height: 2.5" Width: 0.532" Average FPS: 2158 Average Energy: 5045 Average Gr: 488 Recoil: 4.36 *Casing image above is an artist rendering and not a real photo of .458 Winchester Magnum 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 generate specs for casings., HONG KONG, Jan. 18, 2021 (GLOBE NEWSWIRE) -- CEO MESSAGESOn 22nd December 2020, Hong Kong Exchanges and Clearing Limited (HKEX) Listed Company C... HONG KONG, Jan. 18, 2021 (GLOB..., The .243 is going to hit us with 11-foot-pounds of energy and a recoil velocity of 10fps. Mild by anyone's standards. Our .308 will recoil with 20-foot-pounds of energy and a recoil velocity of 13 fps. In my opinion, the .308 is a very easy shooting round., Average Gr: 136. Recoil: 2. Power Rank: 4.4 of 20. The .270 Winchester Short Magnum (270 WSM) was designed in 2002 by Winchester. The 270 WSM is third in line behind .270 Winchester and .270 Weatherby Magnum for the trio of .270 commercial rounds. It is based off a .300 WSM parent case by narrowing the neck to fit a .277 inch (7mm) bullet., The following ammunition cartridge ballistics information and chart can be used to approximately compare .22-250 Remington vs .243 Winchester ammo rounds. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, o, Newly Published base of comparison. Hornady now publishes "200 yard" Mach 2.25 (2,512 fps @ ICAO Standard Atmosphere**) G1 and G7 Ballistic Coefficient (BC) numbers for all A-Tip®, ELD-X, and ELD Match bullets. Mach 2.0 (2,233 fps @ ICAO Standard Atmosphere) and Mach 1.75 (1,954 fps @ ICAO Standard Atmosphere) BC values are also available., The effective range of a 243 bullet is about 750 yards for target shooting and 400 yards for hunting small game. 243 Ballistics Tables From All Major Ammunition Manufacturers originally appeared on Ammo.com. You’ve discovered our in-depth look at 243 Winchester ballistics from all the major ammo manufacturers., The ballistics calculator covers performance data for Winchester’s centerfire rifle, rimfire, centerfire handgun, slugs and shotgun ammunition. There’s even an iPhone Ballistics Calculator app so a gun owner can determine ballistic performance in the field or on the range. Now, before even purchasing ammunition, shooters can browse the ... , Rifle CenteRfiRe BallistiCs (280 Remington - /. () (* -* () ..., The cartridge became a popular option for law enforcement agencies and civilians for many reasons. The 5.7x28 is known for its high muzzle velocity and muzzle energy, low likelihood of overpenetration, high magazine capacity, exceptionally high muzzle velocity, and excellent ammo availability. It's a potentially armor-piercing caliber (the ..., Rifle Cartridge Ballistics Tables.22 Long Rifle Factory Load Ballistics (Table by Adam S. Gubar).22 WMR Factory Load Ballistics (Table by Adam S. Gubar).223 Remington Factory Load Ballistics (Table by Adam S. Gubar).243 Winchester Factory Load Ballistics (Table by Adam S. Gubar).25-06 Remington Factory Load Ballistics (Table by Adam S. Gubar); 6.5x55 SE Factory Load Ballistics (Table by Adam S ..., The .243 Winchester cartridge, introduced in 1955, is very popular. Currently, it ranks sixth among the best selling cartridges in the USA, just behind the .270 Winchester and ahead of the 7mm Remington Magnum. The reasons for the enduring popularity of the .243 are well summarized by Chuck Hawks in his article The .243 Winchester:, Hornady Ammunition Ballistics - 308 Winchester. Jump to a ballistics chart: Hornady American Gunner 155 grain BTHP Match | Hornady American Whitetail 150 grain SP InterLock | Hornady American Whitetail 165 grain SP InterLock | Hornady Black 155 grain A-MAX | Hornady Black 168 grain A-MAX | Hornady Critical Defense 155 grain FTX | …, 243 Win 95 gr SST ® Superformance ®. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Superformance ® uses progressive propellants that take your favorite V-MAX, ® NTX, ® SST, ® CX,™ and InterLock, ® bullets to levels of ..., Ballistic Coefficients; Bullet Selection; ... 243 Winchester ~ 100 Grain ~ Trajectory Chart. Selected bullet: 243 Winchester #A1561–02: , Winchester Super-X Power-Point .243 Winchester 100-Grain Rifle Ammunition - 20 Rounds. Shop Winchester. $29.99. $28.49. Your price after 5% discount when using your Academy Credit Card. Apply Now. Quantity: You must be 18 or older to purchase Rifle or Shotgun Ammunition and 21 or older to purchase Handgun Ammunition., X243P $$. Varmint X is designed specifically for the demands of predator and varmint hunters. The sleek, polymer-tipped bullets are explosive upon impact. Varmint X combines the proven dependability Winchester is known for with today's latest technology, providing hunters the ammunition of choice for pursuing everything from prairie dogs to ..., Ballistic Silvertip ammunition provides hunters proven explosive impact and extreme precision. Innovation combined with engineering excellence makes Ballistic Silvertip the choice for those who appreciate the legendary excellence Winchester is known for around the world. Usage: Brand: Ballistic Silvertip. Rounds per box: 20. Rounds per case: 200., Width: 0.544". Average FPS: 3766. Average Energy: 1826. Average Gr: 58. Recoil: 0.95. Power Rank: 2.18 of 20. The .223 Winchester Super Short Magnum (.223 WSSM) was designed in 2002 as a hyper velocity round. Winchester and Browning designed the case .300 WSM to accept a .224 caliber bullet. The parent case comes from a shorted version of the ..., EAST ALTON, IL (January 20, 2022) - The award-winning Winchester Ballistics Calculator is back and better than ever with new enhancements, making this tool more intuitive for hunters and sport shooters. The Winchester Ballistics Calculator is a free app available in both the iOS and Android app stores, making it simple to use on mobile ..., The 243 Winchester cartridge is a more effective whitetail hunting cartridge than the 30-30 Winchester. This blog explains how and why. ... Trajectory and energy tables indicate the 243 Winchester isn't the 98-pound weakling some make it out to be. ... With Winchester Supreme 95-gr. Ballistic Silvertip loads, the rig often clustered 3 shots ..., A typical 140-grain 7mm-08 Remington round kicks 18.2 f-p at 12.9 fps. As a familiar benchmark to compare against, the 30-06 with a 180-grain bullet punches with about 28.6 f-p at 16.2 fps. Obviously the 7mm-08 is going to punch harder than the 243. The question is whether the difference is enough to bother the shooter., Naming Conventions. Why is a 6mm called a 6mm but a .243 is called a .243? They both fire a .243-caliber bullet. There are two main ways that a cartridge is named: caliber and metric. American and British cartridges tend to named after their bullet diameter: .223, .308, .243 etc. European (or other countries) tend to use the metric system: 5.56×45 (NATO), where the bullet diameter is 5.56mm ..., The ballistic performance of the .243 WSSM based off 5 grain types are 4,068 ft/s (58 gr), 3,707 ft/s (70 gr), 3,545 ft/s (80 gr), 3,280 ft/s (90 gr), 3,136 ft/s (100 gr). The cartridge is …, The ballistic performance based off four grain types for velocity are 3,563 ft/s (75 gr), 3,368 ft/s (90 gr), 3,108 ft/s (100 gr), and 2,777 ft/s (115 gr). The .257 Roberts failed to gain any traction after the initial introduction of the 117 grain round into the market because the .250 Savage was considered to have better velocity., Newly Published base of comparison. Hornady now publishes “200 yard” Mach 2.25 (2,512 fps @ ICAO Standard Atmosphere**) G1 and G7 Ballistic Coefficient (BC) numbers for all A-Tip®, ELD-X, and ELD Match bullets. Mach 2.0 (2,233 fps @ ICAO Standard Atmosphere) and Mach 1.75 (1,954 fps @ ICAO Standard Atmosphere) BC values are …, Recoil: 1.95. Power Rank: 4.34 of 20. The .280 Remington was designed in 1957 by Remington Arms Company for the 700 series rifles. The parent case is a .30-06 Springfield, and is narrowed down to fit the .284 inch (7.2mm) bullet. The semi- automatic 740 was the first rifle Remington used for the .280 factory loads with a psi of 48,000 to 50,000 ...