Instead search for the bullet on the top left using the search box or browse by rifle, or pistol using the links from the main menu. google_ad_height = 90; The first number is the value of this cartridge, and the last number is the value of the most powerful round in our bullet database. While the factory loads had some issues with powder Est al tanto de los eventos relacionados a nuestro Programa de Posgraduacin. WebWinchester Ballistics Calculator. The following data was taken from various sources including reloading manuals and the online Ballistics Calculator provided by BigGameInfo. The case is a rimless bottleneck For more detailed ballistics information please refer to the exact round in question or contact the manufacturer for the pertinent information. Many hunters have found the cartridge to be an effective all-around choice with bullet options ranging from the flatter shooting 150 grain to the harder-hitting 200+ grain selections available in factory ammunition. Everyone is encouraged to see their own healthcare professional to review what is best for them. Factory loaded ammunition can be found from distributors such as Hornady and Federal. A maximum bullet rise of 1.5 inches is appropriate for shooting small animals, as they present a small target, particularly if head shots are necessary. The fact that the cartridge has gone to win many 1,000-yard (910m) matches suggests that such a concern is unfounded.[5]. I have been teaching mathematics, statistics, and analytics for over two decades. Speed and Energy are figured out using an average of all the known cartridges. This system maximizes the distance in which no "hold over" is necessary. If you are looking for the 270 vs 308 vs 30 06 ballistics chart, the 5.56 trajectory chart, the 300 Win Mag Ballistics data, or the 30 06 trajectory chart; you are in the right place! However, the handloader can take advantage of modern advances in powder technology and actually exceed the velocity of the MK 248 MOD 1 cartridge while still loading to maximum SAAMI cartridge overall length, and maintaining safe pressure. Allowing a greater mid-range trajectory might result in shooting over an animal at an intermediate distance. It is particularly useful when hunting the members of the ungulate family such as sheep, deer, elk, and moose; being popular cartridge among hunters for these class 3 game species. [34] However, by the time Winchester got around to designing their own .300, the .308 Norma Magnum and the .30-338 were already on the scene. Web300 Winchester Magnum Load Data 125 Grain 150 - 155 Grain 165 - 168 Grain 175 - 180 Grain 190 Grain 200 Grain 210 Grain 220 Grain PRIVACY USE ORDER PROCESSING This interactive bullet database is free and containst 173 caliber ballistics, history, stats, and their trajectories charted out in full detail. The Weatherby cartridges of any given caliber followed a formula of improved design, which entailed blowing out the H&H Magnum parent case, thereby reducing case taper and increasing usable powder capacity. . .150-grain bullets are generally used for hunting medium sized game species. True .270 Winchester and .300 Winchester Magnum ballistics information can vary widely from the displayed information, and it is important to understand that the particular characteristics of a given round can make a substantive difference in its true performance. This means that .300 Winchester Magnum chambered arms in C.I.P. Your information will never be shared and you can unsubscribe with one click at anytime. We offer a 100% Authenticity Guarantee on all products sold on our website. It is based on the .375 H&H Magnum, which has been blown out, shortened, and necked down to accept a .30 caliber (7.62mm) bullet.[3]. WebWidth: 0.534". WebWinchesters initial factory loads for the .300 featured a 150 grain bullet at 3400fps and a 180 grain bullet at 3070fps, both loads have since been reduced. Please click the above links to take a look at all of the .270 Winchester and .300 Winchester Magnum ammo we have in stock and ready to ship, and let us know any parting thoughts in the comment section below. Like the .300 H&H, the .300 Winchester is designed to headspace off the belt, but the clever reloader can adjust the cartridge to headspace off the shoulder. regulated countries are currently (2013) proof tested at 537.50MPa (77,958psi) PE piezo pressure.[11]. Web300 Win Mag 178 gr ELD-X Precision Hunter . The 165 grain bullet provides a higher ballistic coefficient than similarly shaped 150 grain bullet while maintaining a very high velocity which is translated into a flatter trajectory. The 300 Win Mags perceived recoil is about 30 percent more powerful than a 30-06s, which is already substantial. At 30 ft lbs, the 300 Win Mags recoil energy places it on the upper threshold of what shooters can tolerate for any reasonable amount of time. It is roughly comparable to firing a 12 Gauge slug. [7], The .300 Winchester Magnum was not an instant success, mainly due to competition from the comparable 7mm Remington Magnum cartridge introduced in 1962. Web300 Win Mag 150 gr InterLock SP American Whitetail. Due to its high ballistic coefficients, the heavier bullets are usually preferred by long range shooters being extremely efficient in bucking wind as well as carrying downrange energy capable take down game of any size in America and Europe. loading brass has a wide variety of options ranging from 130 up to 210 grain bullets such as Scirocco, ; inches = "; MPBR = Maximum Point Blank Range; BT = Ballistic Tip; FP = Flat Point, HP = Hollow Point; RN = Round Nose; Sp = Spitzer; SP = Spire Point; SSp = Semi-Spitzer. How to Sight in a Scope - Step by Step Guide. It is a passion of mine to share my industry experience in statistics, analytics, and technology with my students, and find new and interesting ways to share the information. Red Oak, White, or Chestnut for Deer Herd? The .300 Win Mag sees use in long-range benchrest shooting competitions and has been adopted by law enforcement marksmen and by a few specific branches of the U.S. Military for use by snipers. [17][18], "So, while the .300 Winchester Magnum does very well with standard .30-caliber hunting bullets from 150 to 180 grains, it starts to lose ground with extra-heavy bullets of 200 grains and more"[17], With its velocity, low bullet drop and high energy retention, the .300 Winchester Magnum is useful for hunting sheep and other mountain game species, even at extended range, which may be considered unethical for many sport hunters. Capable of stabilizing bullets weights ranging from 110 to 220 grains, the .300 Winchester Magnum happens to be a very versatile cartridge for different purposes and conditions including big game hunting, bench rest shooting and military applications. This was the first time the Pentagon's Director, Operational Test and Evaluation (DOT&E) tested the round, which can hit targets out to 1,200m (1,312yd). Subsequently, Remington has made low-recoil rounds called "Managed-Recoil" available for the .300 Win Mag, which recoil less while providing performance similar to the .30-06 Springfield. has served this writer well. O curso de Mestrado Acadmico em Letras funciona no turno vespertino, no Centro de Cincias Humanas - CCH. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action. Twitter: https://twitter.com/stefaniegreay The larger dimensions of the .300 Win Mag compared to the .308 Norma Magnum and .30-338 Winchester Magnum cartridges ensures that rifles chambered in such rounds can readily be rechambered to the .300 Win Mag, though the shorter neck of the longer round necessitates comparable bullets must be seated more deeply in the case. [6], The .300 Winchester Magnum was introduced in 1963 by Winchester for use in the Model 70 rifle. From Alberta to Africa, the .300 Win. The .300 Weatherby Magnum, an improved, full-length cartridge derived from the .300 H&H was introduced in 1944. The ballistic performances based off five grain types for velocity are 3,260 ft/s According to the official C.I.P. bullet cartridges being used. For the record, this table was calculated for an air temperature of 60 degrees F and an altitude of 1000 feet. google_ad_client = "ca-pub-8417283882784443"; Also, many rifles available today now have effective recoil attenuating features built into them, such as muzzle compensators and energy absorbing stocks and butt-pads, that can significantly lessen recoil as it is felt by the shooter. The ability to zero the .300 Winchester Magnum and shoot without hold over to 270 metres (300yd) makes the cartridge one of the flatter shooting cartridges. [26], According to JBM Ballistics,[27] using the 0.310 G7 ballistic coefficient provided by Bryan Litz, and a Weapon Employment Zone (WEZ) analysis of the XM2010 rifle with various .300 Winchester Magnum ammunition types by Bryan Litz, the MK 248 MOD 1 .300 Winchester Magnum cartridge, when fired at its nominal muzzle velocity of 869m/s (2,850ft/s), should have 1,286 to 1,289m (1,406 to 1,410yd) supersonic range under International Standard Atmosphere conditions at sea level (air density = 1.225kg/m3). New .30 caliber magnums have since been introduced, including the .300 Winchester Short Magnum, .300 Remington Ultra Magnum, .30 Nosler, and 300 PRC; however, none of these have achieved the popularity that the .300 Win Mag retains. The projectile diameter should be 0.309 in (7.85mm) [9]. Make sure you're ready when the big one steps out and load-up with Hornady American Whitetail ammunition. Average Energy: 3610. The case is based off a .404 Jeffery Nitro Express by narrowing down the neck to fit a .308 (7.8mm) bullet. The .300 Winchester Magnum (also known as .300 Win Mag or .300 WM) (7.6267mmB, 7.62x66BR) is a belted, bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963. Keep in mind this is an approximation and although it is quite accurate it should never replace first-hand experience of shooting your specific firearm and ammunition to determine the bullet drop and windage at different ranges and conditions. This created the much criticized short neck of the .300 Winchester Magnum. 2023.1. So a .270 Winchester round exits the barrel with kinetic energy equal to the energy required for linear vertical displacement of 3780 pounds through a one foot distance, while a .300 Winchester Magnum round exiting the barrel has energy equal to the amount required to displace 3520 pounds over the same one foot distance. As a rule of thumb, when it comes to hunting, muzzle energy is what many hunters look at when deciding on what caliber of firearm / ammunition to select. The Series. Taken together with its performance it remains one of the most useful and popular cartridges today. Many consider the .300 Winchester Magnum to be on the lighter side of what is required for the largest bears, but loaded with heavier bullets, hunters have had success with the cartridge against these large bears.[22]. Compared with the 30-06 Springfield the .300 Winchester Magnum provides a roughly 400ft/s (120m/s) increase in velocity. This 300 Winchester Magnum ballistics chart shows 215 grain Federal Premium Gold Medal Berger Open Tip Match rounds. The below 300 Win Mag ballistic chart shows 180 grain Federal Power-Shok Jacketed Soft Point Rounds. This 300 Winchester Mag ballistics chart shows 150 grain Federal Fusion Rifle Bonded Soft Point rounds. //-->, Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. The table below is designed to serve as a starting point from which a shooter can work. introduced on the commercial market. Superintendncia de Tecnologia da Informao. Most manufacturers The .300 Remington Ultra Magnum was designed in 1999 by Remington Arms Company. Norma 95.5 grains of H2O (6.19 ml), .300 Winchester Magnum SAAMI cartridge dimensions. Almost no divergence between C.I.P. This means that the speed and energy will vary from cartridge manufacturer to manufacturer. [23][24][25] The 3.55in (90.2mm) long MK 248 MOD 1 or alike ammunition is not offered commercially, since it exceeds SAAMI standards for overall length and maximum chamber pressure. Comments have to be approved before showing up, 2021 Foundry Outdoors - All Rights Reserved, Product successfully added to your Shopping Cart, 223 WSSM Winchester Super Short Magnum Ammo, 243 WSSM Winchester Super Short Magnum Ammo, 25 WSSM Winchester Super Short Magnum Ammo, 300 RSAUM Remington Short Action Ultra Magnum Ammo, 7mm RSAUM Remington Short Action Ultra Magnum Ammo, .270 Winchester vs .300 Winchester Magnum Ammo Comparison - Ballistics Info & Chart. Recoil: 2.64. A almost similar 168 grain bullet is also popular among the .300 win mag as well as other .30 cal. The larger manufacturers soon noticed Weatherby's standard length magnum case, and in due time followed suit. On the other hand, recoil is subjective (some are more sensitive to it than others) and one can get used to it with practice. Due to the wide selection of bullet weights and construction, the .300 Winchester Magnum may be used to hunt effectively everything from the dik-dik to the giant eland, being an excellent cartridge choice for all plains game under 680 kilograms (1,500lb). To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. This means that the speed and energy will vary from cartridge manufacturer to manufacturer. This 56-inch kudu bull fell to a 180-grain Trophy Bonded Tip bullet while hunting with Kowas If you are looking for an alternative to surgery after trying the many traditional approaches to chronic pain, The Lamb Clinic offers a spinal solution to move you toward mobility and wellness again. Winchester 93.8 grains of H2O (6.08 ml) With its flat trajectory and superior power downrange, the 300 Win Mag makes a versatile hunting cartridge. Powerful enough to hunt any North American game, with lighter bullets available to prevent overkill on whitetail and mule deer. The 300 Win Mags primary shortcoming is its forceful recoil. Please let me know how it can be improved upon. Cartridge Type: RifleHeight: 2.62"Width: 0.532"Average FPS: 3026Average Energy: 3517Average Gr: 173Recoil: 2.39Power Rank: 5.23 of 20. The .300 Winchester Magnum uses the same case head design of the .375 H&H Magnum, its parent cartridge, though the taper of the round has been significantly reduced in order to ensure greater case volume. The .300 Winchester Magnum is powerful enough to hunt any North American game animal[15] and is commercially loaded with bullets ranging from 150 grain to 220 grain bullets, making it a very versatile cartridge for hunting big game of all weighs and under all conditions. Live fire tests were conducted in March 2013 against ballistics gelatin, light material barriers, and other targets to determine the projectile's ability to perforate targets. Although the 150 grain bullet may have a lower ballistic coefficient than heavier alternatives, this is compensated by its high velocities which extend its maximum point blank range to considerable distances making it suitable for light skinned big game such as deer and sheep, up to considerable distances. Sign up with your email address to receive news and updates. C.I.P. Hand This 300 WSM ballistics chart shows 150 grain Federal Premium Fusion Rifle Rounds. Average Gr: 173. .50 Action Express, .300 Remington Ultra Magnum, .25-35 Winchester, .454 Casull, .30-30 Winchester, .243 Winchester Super Short Magnum (WSSM), .300 Winchester Short Magnum, .460 Weatherby Magnum, .470 Nitro Express, .338 A Square, .495 A-Square, .350 Remington Magnum, 7mm Remington Short Action Ultra Magnum, 7.21mm (.284) Lazzeroni Firebird, .270 Winchester Short Magnum. I coach high school and club girls and boys volleyball in Connecticut and help out with the USA Volleyball High-Performance program whenever I can. Input your hunting conditions to see the drop, drift, bullet trajectory, [12], Probably the most popular weight for the 300 Win Mag is the 180 grain bullet, with high ballistic coefficient and capable of taking down light skinned big game of any weight. If Winchester had released the cartridge prior to 1960, the cartridge would have been similar to the .30-338 Winchester wildcat cartridge. The .300 Winchester Magnum was designed with a neck which is shorter than the diameter of its bullet. O Programa de Ps-Graduao em Letras decorre de uma proposta apresentada pelo Departamento de Letras da Universidade Federal do Maranho e elaborada em consonncia com os dispositivos do Estatuto, do Regimento Geral, do Regimento dos Cursos de Ps-Graduao stricto sensu e lato sensu da UFMA e deste Regimento Interno, estando previsto no Plano de Desenvolvimento Institucional - PDI - 2012-2016.O Curso de Mestrado Acadmico em Letras, do Programa de Ps-Graduao em Letras - PGLetras, aprovado pela Resoluo 1007/2013 - CONSEPE-UFMA, de 6 de maio de 2013, e recomendado pela CAPES com nota 3 e rea de concentrao em Estudos da Linguagem, est estruturado em trs linhas de pesquisa: Linha 1 - Descrio e Anlise do Portugus Brasileiro; Linha 2 - Estudos de Linguagem e Prticas Discursivas e 3- Estudos Tericos e Crticos em Literatura. This translates to about 20% greater energy advantage over the 30-06 Springfield cartridge. for hunting. WebThis interactive bullet database is free and containst 173 caliber ballistics, history, stats, and their trajectories charted out in full detail. Centerfire Handgun. Coaching volleyball is one of my biggest passions. WebThe following ballistics tables show a side by side comparison of the .300 Winchester Magnum vs .300 Winchester Short Magnum (WSM) based on bullet weight and various .45-70 Government, 8.59mm (.338) Lazzeroni Titan, .450 Dakota, .338 Remington Ultra Magnum, .240 Weatherby Magnum, 7mm Dakota, .30-30 Winchester, .416 Weatherby Magnum, 7mm Remington Magnum, 7mm-08 Remington, .25-06 Remington, .416 Rigby, .243 Winchester, .458 Lott, .338 Winchester Magnum. Prior to the advent of the .300 Winchester Magnum there were already a number of .30 caliber (7.62mm) cartridges billed as offering a magnum level of performance. 300 Winchester Magnum: SST: 180: 3996: 3150: Winchester Magnum It is a great investment if you want to get into long range shooting and will be especially useful if you handload. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. Your continued use of this site indicates your acceptance of the terms and conditions specified. To make it as accurate as possible, it is important that you input the most accurate information that represents shooting conditions, your firearm, and cartridge. (165 gr), 3,146 ft/s (180 gr), 3,083 ft/s (190 gr), 3,029 ft/s (200 gr), and 2,850 ft/s (220 gr). [12] [13]. Of course, lengthening the barrel of the .300WSM also helps improve velocities at a rate of 20-35fps. Furthermore, the muzzle energy of a .270 Winchester round averages out to2700 ft-lb, while a .300 Winchester Magnum round averages out to about 3520 ft-lb. magnum cartridges. ShootersCalculator.com is in the process of being massively overhauled. On this Wikipedia the language links are at the top of the page across from the article title. Mag. However, interest among hunters and shooters grew with time, and it gradually became the most popular of the magnum cartridges.[8]. [19], The .300 Winchester Magnum cartridge is also very effective on dangerous class 3 game such as bear. google_ad_slot = "7610963244"; pressure to certify for sale to consumers. Usually a 165 grain bullet shot from a .300 Win Mag has a muzzle velocity of approximately 3160 fps, which is 100 to 150 fps slower than the lighter 150 grain bullet. Note:For an expanded version of this table showing more loads, including British, European, wildcat, obsolescent American and proprietary calibers, see the Expanded Rifle Trajectory Table. Wildcatters soon produced the .30-338 Winchester Magnum and Norma Projektilfabrik, who were by now manufacturing ammunition for Weatherby, took the standard length basic Weatherby brass and necked it down to .30 caliber (7.62mm) to form the .308 Norma Magnum. In ballistics catalogs the point of maximum bullet rise is often called the mid-range trajectory, or sometimes the maximum ordinate. As such, the following is for comparative information purposes only and should not be used to make precise predictions of the trajectory, performance, or true ballistics of any particular .270 Winchester or .300 Winchester Magnum rounds for hunting, target shooting, plinking, or any other usage. google_ad_width = 728; The .300 PRC consistently carries 250 to 300 additional foot-pounds of energy over the Winchester at practical hunting ranges. Foundry Outdoors is your trusted home for buying archery, camping, fishing, hunting, shooting sports, and outdoor gear online. Log in, The Precision Hunter Hunting South Africa Part 2, The Precision Hunter Hunting South Africa part 1, Getting Started in PRS Style shooting. [10] The .300 Winchester Magnum is well-suited for 95% of the world's game. Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. (adsbygoogle = window.adsbygoogle || []).push({}); .300 Winchester Magnum-Norma Plastic Point, .300 Winchester Magnum-Hornady InterBond, .300 Winchester Magnum-Remington Core-Lokt Pointed Soft Point - Managed Recoil, .300 Winchester Magnum-Federal Nosler Partition, .300 Winchester Magnum-Black Hills Nosler AccuBond, .300 Winchester Magnum-Remington AccuTip Boat Tail, .300 Winchester Magnum-Sellier & Bellot SPCE, .300 Winchester Magnum-Winchester XP, .300 Winchester Magnum-Federal Trophy Bonded Bear Claw, .300 Winchester Magnum-Remington Core-Lokt Ultra Bonded, .300 Winchester Magnum-Federal Nosler AccuBond, .300 Winchester Magnum-Norma Barnes Triple-Shock, .300 Winchester Magnum-Federal Nosler Partition, .300 Winchester Magnum-Hornady BTSP InterLock, .300 Winchester Magnum-Remington Core-Lokt Ultra Bonded. [citation needed] However, bullets weighing between 7.116.2g (110250gr) are available to the reloader for the .300 Winchester Magnum. The trajectory graph below shows 3 x 300 Win Magnum factory loads zeroed to 240 yards. [16][13], If you need to shoot long or short, big or small, if the house was burning down and you could only save one, Id make it the 300 win mag[16]. Recommended twist ratio is 1:10 (254mm). Our website lists special deals on 9mm Ammo, 10mm Ammo, 45-70 Ammo, 6.5 Creedmoor ammo, 300 Blackout Ammo, 10mm Ammo, 5.56 Ammo, Underwood Ammo, Buffalo Bore Ammo and more special deals on bulk ammo. Im an educator, researcher and coach who loves volleyball, teaching, learning, statistics, and technology. All rights reserved. The 300 Win Mag has always been considered one of the great hunting cartridges, and with the current selection of bullets, better suited for long-range shooting, The .30 Newton saw limited commercial success, however, and the .300 H&H was too long for the standard length Mauser and Springfield rifle actions of the time, barring substantial modifications. The most useful bullet weights for the .300 Winchester Magnum are those weighing between 150200 grains (9.713.0g). Interbond and A-Frame. Recoil from the .300 Win Mag is noticeably higher than the well-known and popular .30-06 Springfield. Rules the Roost", "Top cartridges & bullets for black bears", Detail Specification Cartridge, .300 Winchester Magnum Match, MK 248 MOD 1 DODIC AB43, NSN 1305-01-568-7504 Revision A March 17, 2009, "U.S. Navy Small Arms Ammunition Advancements", "$49.9M U.S. Contract for 300 Winchester Magnum Ammo", "Advances in U.S. Sniping Ammunition: From Vietnam to Afghanistan by John Plaster", JBM Ballistics freeware online ballistic calculator, "Weapon Employment Zone (WEZ) Analysis of the XM-2010 Rifle With Various Ammunition Types by Bryan Litz, Applied Ballistics LLC", https://mittelkaliber.ch/wp-content/uploads/2021/02/BC_Vergleich_1.pdf, "Pentagon's Top Tester Gives Sniper Round Passing Grade", "Magnum force: Kimber's police tactical rifle now chambers the potent .300 Winchester Magnum". SAAMI recommended a six-groove barrel with each groove being 2.8 millimetres (0.110in) wide. WebHere, we see that the .300 Win Mag is traveling at just 2,001 ft/s, which is 27 ft/s slower than the .30-06s 2,028 ft/s. WebWinchester Ballistics Calculator Compare ballistics data on your favorite Winchester Ammunition rounds. Calculating Trajectories . Copyright 2023 ShootersCalculator.comALL rights reserved. In the table below I used the term "mid-range trajectory," abbreviated "MRT.". Many chronic pain conditions are part of a larger syndrome such as fibromyalgia. Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. *Casing image above is an artist rendering and not a real photo of .300 Winchester Magnum Ballistics cartridge. The .300 Winchester Magnum is known for its accuracy and has been used for 910-metre (1,000yd) and 1,000-metre (1,100yd) competitions. WebHome Ballistics Charts Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. This trajectory table can also serve as a comparative tool, allowing the reader to compare the trajectories of different cartridges or loads. 300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16 300 Win Mag? The .300 Win Mag has the This can be useful in comparing cartridges or loads. The science of projectiles and firearms, or in other words, the info you need to make the kill! The maximum point blank range for the 12g (180gr) bullet is 300 yards when zeroed at 232 metres (254yd). (Commission Internationale Permanente pour l'Epreuve des Armes Feu Portatives) rulings the .300 Winchester Magnum can handle up to 430.00MPa (62,366psi) Pmax piezo pressure. A maximum rise of 3 inches is appropriate for hunting the smaller species of big game, creatures from perhaps 75 pounds to 150 pounds on the hoof, which typically have a kill zone of about 8 inches from top to bottom. The SAAMI specification .300 Winchester Magnum case capacity is 91.5 grains of H2O (5.93 ml). Web300 Win Mag Ballistics For 3 Different Bullet Weights. Again, the above is for comparative information purposes only, and you should consult the exact ballistics for the particular .270 Winchester or .300 Winchester Magnum cartridge you're looking at purchasing. Bullets weighing 9.710.7g (150165gr) are adequate for smaller deer such as the mule deer and white-tailed deer. slugs. The .300 Win Mag is extremely versatile and has been adopted by a wide range of users including big game hunters, target shooters, military units, and law enforcement departments. . Thus between the muzzle and the distance given as the MPBR, the bullet never strays more than 3 inches above or below the line of sight (1.5 inches for varmint loads). To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Please read this section carefully. Opening day of deer season comes only once a year. The following ammunition cartridge ballistics information and chart can be used to approximately compare .270 Winchester vs .300 Winchester Magnum ammo rounds. Military and law enforcement departments adopted the cartridge for long-range use, particularly by snipers. 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. SAAMI recommends a bore diameter of 7.6 millimetres (0.300in) and a groove diameter of 7.8 millimetres (0.308in). Accuracy and terminal performance are the cornerstones of Hornady Precision Hunter factory loaded ammunition. The store will not work correctly in the case when cookies are disabled. The .300 Winchester Mag (.300 Win Mag) was designed in 1963 by Winchester Repeating Arms WebThe .300 RUM can be hand loaded to surpass factory velocities by a considerable margin. The email address you entered is not valid. The .300 PRC features a 1:8 twist, ideal for bullets from 200 grains and heavier.