Interbond and A-Frame. This means that .300 Winchester Magnum chambered arms in C.I.P. Superintendncia de Tecnologia da Informao. To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. These bullets are generally loaded to reach muzzle velocities of 2700 to 2800 fps. Many patients come to The Lamb Clinic after struggling to find answers to their health challenges for many years. 300 Win Mag vs .308 Win Ballistics As a rough comparison, the recoil of the .300 Winchester Magnum is roughly comparable to a 12 gauge shotgun shooting 1 oz. The larger manufacturers soon noticed Weatherby's standard length magnum case, and in due time followed suit. [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]. Average Energy: 3610. such as bears with certain bullet cartridges and well-placed shots. 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. [citation needed] However, bullets weighing between 7.116.2g (110250gr) are available to the reloader for the .300 Winchester Magnum. 300 Winchester Magnum Ballistics Chart | Ballistics 101 However, case volume varies from manufacturer to manufacturer to such an extent that the reloading software suite QuickLOAD provides five differing cartridge case capacities for the cartridge. 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! 300 Winchester Magnum Load Data - Nosler The amount of recoil the cartridge generates is a step up from the non-magnum .30 caliber (7.62mm) cartridges. Centerfire Rifle. 300 Winchester Magnum Accuracy and terminal performance are the cornerstones of Hornady Precision Hunter factory loaded ammunition. Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. Recoil from the .300 Win Mag is noticeably higher than the well-known and popular .30-06 Springfield. Done (0.23 seconds). As illustrated in the chart, .270 Winchester rounds - on average - achieve a velocity of about 3060 feet per second (fps) while .300 Winchester Magnum rounds travel at a velocity of 3030 fps. [10] Hornady Our next 300 WSM ballistics chart shows 165 grain InterLock American Whitetail rounds. From Alberta to Africa, the .300 Win. 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. [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. WebAccording to QuickLoad, the case capacities of .300 Win Mag brass produced by four ammunition manufacturers measure as follows: Remington 88.0 grains of H 2 O (5.70 ml) Federal 92.0 grains of H 2 O (5.96 ml) Winchester 93.8 grains of H 2 O (6.08 ml) Norma 95.5 grains of H 2 O (6.19 ml) .300 Winchester Magnum SAAMI cartridge dimensions. WebThis compares favorably to 150 grain and 180 grain .308 bullets which have sectional densities of .226 and .271 respectively. Outside of education, research and coaching, I love traveling, photography, pottery, arts and crafts, and Ive recently picked up organic backyard gardening. 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. pressure to certify for sale to consumers. The .300 Winchester Magnum was designed with a neck which is shorter than the diameter of its bullet. WebHome Ballistics Charts Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. The science of projectiles and firearms, or in other words, the info you need to make the kill! Winchester developed the .300 Win Mag by taking the .338 Winchester Magnum, which was introduced in 1958, moving the shoulder forward by 4.0 millimetres (0.156in) and lengthening it by 3.0 millimetres (0.120in). The .300 Winchester Mag (.300 Win Mag) was designed in 1963 by Winchester Repeating Arms You can find an email form and contact information here. [4] It is a popular selection for hunting moose, elk, and bighorn sheep as it can deliver better long-range performance with heavier bullet weights than many other .30 caliber cartridges. Due to the short neck, heavier bullets particularly those weighing greater than 13 grams (200gr) and mono-metal bullets such as the Barnes X bullets will need to be seated more deeply into the cartridge. The table below is designed to serve as a starting point from which a shooter can work. From 1956-1959, Winchester introduced three such cartridges: the .264 Winchester Magnum, .338 Winchester Magnum and .458 Winchester Magnum, all based on the shortened and blown out .375 H&H Magnum case. Opening day of deer season comes only once a year. In ballistics catalogs the point of maximum bullet rise is often called the mid-range trajectory, or sometimes the maximum ordinate. Of course, the actual distance the bullet should hit above the point of aim at 100 yards (or 100 meters, which is about 108 yards) varies with the individual caliber and load. This 300 WSM ballistics chart shows 150 grain Federal Premium Fusion Rifle Rounds. The 150 grain loads are known for fast wound penetration on medium sized game, Twitter: https://twitter.com/stefaniegreay . The SAAMI specification .300 Winchester Magnum case capacity is 91.5 grains of H2O (5.93 ml). 300 Win Like other .300 caliber in its class the .300 Win Mag was popular almost immediately after it was To save space, the following abbreviations are used in the table below: Wb = Weight of bullet (in grains); MV = Muzzle Velocity (in feet per second); BC = Ballistic Coefficient; MRT = Mid-Range Trajectory; yards = yds. Cartridge Type: Rifle Height: 2.62" Width: 0.532" Average FPS: 3026 Average Energy: 3517 Average Gr: 173 Recoil: 2.39 Power Rank: 5.23 of 20 The 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. 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. For the best experience on our site, be sure to turn on Javascript in your browser. https://www.youtube.com/channel/UCHcx7snmsW4GqyMp3mnFZJw, https://www.youtube.com/channel/UCHcx7snmsW4GqyMp3mnFZJw. This ammunition was developed as a .300 Winchester Magnum Match Product Improvement (PIP) and uses the 220 gr (14.26 g) Sierra MatchKing Hollow Point Boat Tail (HPBT) very-low-drag bullet fired at a nominal muzzle velocity of 2,850ft/s plus or minus 50ft/s (869m/s 15.2m/s). The 180 and 185 grain bullets are also considered the most versatile, with a muzzle velocity of 2950 fps from average factory loads. 2001-2023 The Pain Reliever Corporation. C.I.P. Versatility Both of these calibers are excellent hunting cartridges that have been used to take any game in North America. All sizes in inches (in) and millimeters (mm). Bullet Ballistics & Charts GunData.org google_ad_client = "ca-pub-8417283882784443"; Matrcula para el perodo If Winchester had released the cartridge prior to 1960, the cartridge would have been similar to the .30-338 Winchester wildcat cartridge. 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. WebThe 300 Win Mag will need just 38.7 of correction, while the .308 will need 47.7. Select Your Gun Type. Sub 1 minute-of-angle (MOA) accuracy out to 1,000 yards (910m) is not unusual in precision-built rifles firing match-grade ammunition. .300 PRC vs. .300 Win Mag: Rifle Cartridge Comparison Review [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. Input your hunting conditions to see the drop, drift, bullet trajectory, The .300 Win Mag has the 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]. [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. As illustrated in the chart, .270 Winchester rounds - on average - achieve a velocity of about3060 feet per second (fps) while .300 Winchester Magnum rounds travel at a velocity of 3030 fps. When this happens dont leave! has served this writer well. Many chronic pain conditions are part of a larger syndrome such as fibromyalgia. Hand Est al tanto de los eventos relacionados a nuestro Programa de Posgraduacin. This would put the .300 Winchester Magnum at the upper limit of what most shooters can shoot comfortably for extended shooting sessions. Winchester 93.8 grains of H2O (6.08 ml) 300 Winchester Short Magnum Of course, lengthening the barrel of the .300WSM also helps improve velocities at a rate of 20-35fps. Terms and conditions for the use of this DrLamb.com web site are found via the LEGAL link on the homepage of this site. As a testament to its accuracy, following its introduction, it went on to win several 1,000-yard (910m) competitions.[5]. Power Rank: 5.3 of 20. 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. *Casing image above is an artist rendering and not a real photo of .300 Winchester Magnum Ballistics cartridge. [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. Centerfire Handgun. [7], The .300 Winchester Magnum was not an instant success, mainly due to competition from the comparable 7mm Remington Magnum cartridge introduced in 1962. This created the much criticized short neck of the .300 Winchester Magnum. 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). The .300 Winchester Magnum's broad availability in popular rifles such as the Winchester Model 70, Ruger M77, Remington Model 700 and Weatherby Mark V, together with the wide availability of ammunition from a number of manufacturers, made the cartridge a popular choice among hunters and competitive shooters the world over. Your information will never be shared and you can unsubscribe with one click at anytime. .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. Im an educator, researcher and coach who loves volleyball, teaching, learning, statistics, and technology. 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. Web300 Win Mag 178 gr ELD-X Precision Hunter . 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. Known as the .300 PRC (Precision Rifle Cartridge), this new beltless offering is based on the .375 Ruger, a beltless magnum that outperforms the .375 H&H in a (It may well vary.) A almost similar 168 grain bullet is also popular among the .300 win mag as well as other .30 cal. Please read this section carefully. 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. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. How to Sight in a Scope - Step by Step Guide. 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 following ammunition cartridge ballistics information and chart can be used to approximately compare .270 Winchester vs .300 Winchester Magnum ammo rounds. 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. Calculating Trajectories . This means that the speed and energy will vary from cartridge manufacturer to manufacturer. WebThe .300 RUM can be hand loaded to surpass factory velocities by a considerable margin. (Commission Internationale Permanente pour l'Epreuve des Armes Feu Portatives) have provided specifications for the .300 Winchester Magnum cartridge. Due to the power and performance of the .300 Winchester Magnum cartridge the cartridge is more likely to be employed by specialist units within a police department rather than as a general service weapon issued to law enforcement agents. 300 google_ad_height = 90; Web300 Win Mag Drag Function: G1 Ballistic Coefficient: 0.480 Bullet Weight: 180 gr Initial Velocity: 3130 fps Sight Height : 1.5 in Shooting Angle: 0 Wind Speed: 10 mph Wind With the average load for the .300 Winchester Magnum, the recoil energy is roughly 30ft lbs. 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 . JavaScript seems to be disabled in your browser. 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. The ammunition standards organizations SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) and C.I.P. The following data was taken from various sources including reloading manuals and the online Ballistics Calculator provided by BigGameInfo. 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. Only the .300 Win Mag and the .300 Weatherby Mag survived into the 21st century as readily available cartridges, with the Winchester round by far the more popular of the two. Sign up with your email address to receive news and updates. However, interest among hunters and shooters grew with time, and it gradually became the most popular of the magnum cartridges.[8]. Sighting-in a hunting rifle to hit a certain number of inches high at 100 yards (or 100 meters) maximizes the point blank range of the rifle and cartridge and is superior to zeroing at a fixed distance like 200 yards. The Maximum Point Blank Range (MPBR), which is shown in the last column of the table below, is the distance at which the bullet falls 3 inches below the line of sight. 165 and 168-grain bullets also give a flat trajectory with higher ballistic coefficients, which hold on better in cross winds, which makes them a fine alternative for hunting mountain game. Military and law enforcement departments adopted the cartridge for long-range use, particularly by snipers. We have a variety of deals on Rifle Ammo, Handgun Ammo, Shotgun Ammo & Rimfire Ammo, as well as ammo for target practice, plinking, hunting, or shooting competitions. But probably the most popular bullet weigh is the 180-grain, offering a good balance between flat trajectory, ballistic coefficient and energy to emphatically hunt large-size big game animals such as elk and moose up to considerable distances. Average FPS: 3066. 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. Speed and Energy are figured out using an average of all the known cartridges. All trajectories were calculated for a rifle with a low mounted telescopic sight of moderate size whose line of sight is 1.5 inches above the bore axis of the barrel. .300 Winchester Magnum (center) flanked by its parent cartridges: the, Comparison with other .30 Caliber Big Game Cartridges, Military and law enforcement applications. The decision for which round is better for a given application should be made with complete information, and this article simply serves as a comparative guide, not the final say. The store will not work correctly in the case when cookies are disabled. 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. The following improvements will be made: Please sign up for our newsletter so that you can be alerted the moment these new features are launched! SAAMI recommends a bore diameter of 7.6 millimetres (0.300in) and a groove diameter of 7.8 millimetres (0.308in). 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). ShootersCalculator.com | Ballistic Trajectory Calculator We use cookies to make your experience better. Also, unlike the 7mm RUM which struggles to better the velocities of the 7mm STW, 7mm Weatherby and 7mm-.300 Win Mag, the case to bore ratio of the .300 RUM achieves significant increases in velocity over other .300 magnum cartridges. ShootersCalculator.com is in the process of being massively overhauled. 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. [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). The .300 Remington Ultra Magnum was designed in 1999 by Remington Arms Company. The .300 Win Mag is based off the parent case .375 H&H Magnum with a belted large In the table below I used the term "mid-range trajectory," abbreviated "MRT.". Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. Emily Bohnenkamp, Bradford Hackert, Maurice Motley, and Michael Courtney, Comparing Advertised Ballistic Coefficients with Independent Measurements, DTIC, 2012. 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). Matrcula para el perodo For the record, this table was calculated for an air temperature of 60 degrees F and an altitude of 1000 feet. 300 Win Mag Ballistics Ideal 500 Yard Big Game Cartridge? The Chattanooga Police Department[31] and Minot Police Department S.W.A.T units[32] and the L.A. County Sheriffs Department's Special Enforcement Bureau[33] which have adopted the .300 Winchester Magnum in some capacity. The short neck was thought to hinder accuracy because it would prevent the alignment of cartridge to the bore, but this is rarely an issue either today or when the cartridge was designed. slugs. The 130 grain TSX can be used on light to medium sized game, while the I want this to be the best ballistic trajectory calculator out there. The case is based off a .404 Jeffery Nitro Express by narrowing down the neck to fit a .308 (7.8mm) bullet. Remington 88.0 grains of H2O (5.70 ml) That is to say, .270 Winchester bullets travel 3.5 times the speed of a 737 airplane at cruising speed, while .300 Winchester Magnum bullets travel 3.4 times that same speed. The Lamb Clinic provides a comprehensive assessment and customized treatment plan for all new patients utilizing both interventional and non-interventional treatment methods. The ballistic performances based off five grain types for velocity are 3,260 ft/s 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. 300 Remington Ultra Magnum 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 YouTube: How to Sight in a Scope - Step by Step Guide. The maximum point blank range for the 12g (180gr) bullet is 300 yards when zeroed at 232 metres (254yd). 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. The case is a rimless bottleneck On this Wikipedia the language links are at the top of the page across from the article title. 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. The .300 Weatherby Magnum, an improved, full-length cartridge derived from the .300 H&H was introduced in 1944. The information contained on this site is the opinion of G. Blair Lamb MD, FCFP and should not be used as personal medical advice. loading brass has a wide variety of options ranging from 130 up to 210 grain bullets such as Scirocco, Winchester Ballistics If you do not have a Shooting Chronograph, I strongly suggest you purchase one. /* GunData.org Ballistics */ Mag. The projectile diameter should be 0.309 in (7.85mm) [9]. So after sighting-in, always check your individual rifle at various ranges to see how close its trajectory comes to the published data. Elk can weigh as much as 450 kilograms (1,000lb) and moose 640 kilograms (1,400lb). Learn how and when to remove this template message, Remington Model 700 Police Long Action tactical rifle, List of crew-served weapons of the U.S. Armed Forces, "Take Aim at Rifle Reloading Data | Hodgdon Reloading", "ANSI/SAAMI Velocity & Pressure Data: Centerfire Rifle", "5 Reasons the .300 Win. Taken together with its performance it remains one of the most useful and popular cartridges today. while the 200 grain can be used on heavier game such as Moose, and the 220 grain on large game Log in, The Precision Hunter Hunting South Africa Part 2, The Precision Hunter Hunting South Africa part 1, Getting Started in PRS Style shooting. Norma All trajectory figures are rounded off to one decimal place. According to QuickLoad, the case capacities of .300 Win Mag brass produced by four ammunition manufacturers measure as follows: 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. 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. After spending some time with this database you will most likely find the bullet that best meets your needs. google_ad_width = 728; The SAAMI Maximum Average Pressure (MAP) for this cartridge is 441.3MPa (64,000psi) piezo pressure (54,000 CUP). Federal 92.0 grains of H2O (5.96 ml) (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. More mid-range rise can be accepted when hunting larger animals (a 4 inch MRT might be appropriate when hunting mule deer, for example), but if a mixed bag hunt for larger and smaller species is envisioned, then the 3 inch rise used for this table is probably safer. Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. Recoil: 2.64. WebWinchester Ballistics Calculator. This resulted in a cartridge with a neck somewhat shorter than the diameter of the bullet. The .300 PRC consistently carries 250 to 300 additional foot-pounds of energy over the Winchester at practical hunting ranges. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action. In order to hit a distant target a rifle must be correctly sighted-in, and to accomplish that the shooter must have some working knowledge of the bullet's trajectory. WebIntroduced as late as 1963 this cartridge was soon to become the most popular in the line of .300 magnums. 7mm Rem Mag vs 300 Win Mag [12] Winchester's factory ammunition for the .300 Winchester Magnum is capable of 990m/s (3,260ft/s) with the 150-grain (9.7g) bullet and 910m/s (3,000ft/s) with the 12-gram (180gr) bullet, however old Western "Power Point" soft point can reach past 1,000 metres per second (3,400ft/s) with 9.7g (150gr) projectiles. //-->, Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. Some gun writers have speculated that, had the cartridge been released earlier, its dimensions would have more closely matched the .30-338 Winchester Magnum wildcat cartridge. 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.
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