If both these cartridges are made from the 375 H&H Magnum brass (belted case with .532” head diameter,) and both fit standard (30-06-length) actions, why does the 300 WM generate 200 fps more velocity? Ballistics Charts. The design has no parent case and is based off a .308 bullet with a 1:10 twist and large riflemagnum primer. has managed to win many 1,000-yard competitions and has been widely used as a U.S. military sniper round. At 1000 yards it still has a velocity of 1200 fps, a typical 9mm handgun muzzle velocity. The 300 Win Mag can put the same energy on target at out to 600 yards, nearly twice the distance. The contents of Rifleshooter.com are produced for informational purposes only and should be performed by competent gunsmiths only. At the 200-yard mark, the difference between the two cartridge rounds is negligible. For the velocity recorded above, however, Alliant RL-26 was used in the 300 WM. Norma’s .300 Win. When selecting suitable hunting or even target/fun rounds, we should pay as much attention to ballistics, recoil, etc. and 7mm Rem. The velocity and standa… Sort of. Even at the 300-yard mark, the 220gr .300 Win Mag shows similar bullet drop as a much lighter .30-06 round. Thank you. With 180 gr federal premiums. Mag. vs .300 Win. The ballistic performances based off five grain types for velocity are 3,260 ft/s(1… This is a fair comparison that I would like to see done. The.308 Winchester round shoots pretty flat out to 200 yards when it starts to drop. Truth be told, it's a mixed bag with each "winning" in different categories. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. These demonstrate there's more than one way to run a race.) Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. The guy above is right. Obviously, these numbers only take into consideration the energy required and don’t consider whether the shooter is skilled enough or should be shooting those distances. Copyright Ron Spomer Outdoors © document.write(new Date().getFullYear()) .300 Win Mag is a magnum rifle cartridge that was introduced by Winchester in 1953. He's convinced that most debates about their relative merits are much ado about little. David, one can't expect the same powders in different cartridges to produce maximum velocities in each, so I went with those that would produce maximum velocities at safe pressure levels and ran the test using G1 BC numbers (which won’t be  as accurate at G7 numbers, but those are still too unfamiliar to most shooters.) Not bad for an inaccurate cartridge. Mag., a Jim Borden Timberline custom, groups sub-MOA, too. The game he's take with them have tended to agree. My current 7mm Rem. Mag. Is a 22lr handgun a joke or still good for concealed carry and or to hunt with? Brought to us in 1963, the .300 Win. It was originally introduced in 1906, and was originally used in the United States Army. as we can and/or want to. Remington.com has ballistic info for their respective rounds. These guys gave you some good input. Indeed, the 300 Win. Written inquires can be mailed to: Mag. Mag. The guy above is right. ? However, that extra length, combined with the fact that the cartridge has a .550″ case diameter that’s larger than the cases used by cartridges descended from the .375 H&H (.513″), means the .300 RUM has a gigantic case capacity. Great care has been given by Hornady engineers to develop superior, match­-accurate hunting loads that allow the ELD­-X ® bullet to achieve its maximum ballistic potential. We rarely are. Even at a distance of 500 yards, all rounds are supersonic with velocities well above 2,000ft.s. Nevertheless, Ron still enjoys arguing ballistics. Pull up a chair. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action. Winchester Ballistics Calculator. Witness: Vehicle blared warning before Nashville blast, CDC: U.S. to require negative tests for U.K. passengers, 40 million Americans could be evicted in 2021, Mom with COVID delivered baby she couldn't hold, Michael Jackson's Neverland Ranch finds a buyer, Legendary Celtics star K.C. Those are the ones we should use. Now, here’s the reader's request: 1)) Load each of them with the very ‘maximum’ amount of powder each case will safely hold, and also with exact same type of powder. More significantly, the 300 Win case shoulder sits at 2.356” while the 7mm’s is back at 2.040". Our rifles, cartridges and bullets may be capable of 1,000-yard performance. The 300 Win. At 300 yards it has dropped around 6 inches, and at 500 yards it’s just under 44 inches. Meaning you can aim for the same spot over and over again. (See previous 300 WM vs. 7mm RM comparisons on this site here and here. The rifle is fired at 100 yards, from a bipod with a rear bag, for 5-rounds. It's not going to hit there every single shot. Mag. Mag: Ballistics, Cost, and Accuracy. The .300 Winchester Magnum (also known as .300 Win Mag or 300WM) (7.62×67mmB) is a belted, bottlenecked magnum rifle cartridge that was introduced by Winchester Repeating Arms Company in 1963. and 7mm Rem. One problem with factory ammo is it's not consistent. But I would also like to know, in the scenario I mentioned above, please also compare which cartridge will have the ‘best’ Ballistic Coefficient, Energy ft/lbs, flatter shooting, etc.?? So what exactly is the.308 Winchesters ballistic chart and what does it look like out to 1000 yards? However, just to give you an idea of the benefits of the 300 PRC over the .300 Win Mag at long range, consider this: the .300 Win Mag has 20″ (~8%) more bullet drop at 1,000 yards and 96″ (12%) more bullet drop at 1,500 yards with a 200 yard zero. At 800 yds we are in the "feet" range. lb Muzzle Velocity ft/sec. Ballistic Coefficient: 0.523 Bullet Weight: 140 gr Initial Velocity: 3130 fps Sight Height : 1.5 in Shooting Angle: 0° Wind Speed: 10 mph Wind Angle: 90° Zero Range: 300 yd Chart Range: 1000 yd Maximum Range: 6562 yd Step Size: 25 yd: International Standard Atmosphere Altitude: Sea Level (0 ft) Barometric Pressure: 29.92 Hg Temperature: 59° F Here are the resulting ballistic charts comparing two nearly identical-weight Hornady ELD-X bullets, some of the most ballistically efficient on the market: And we have a winner. What all of this means to the average hunter is -- not much. May 3, 2019. This results in the 300 accommodating 78.9 grains of Alliant RL-25 powder and the 7mm squeezing in just 66.2 of the same powder for safe pressure levels according to Hornady’s Handbook of Cartridge Reloading, Tenth Edition. On deer, it hauls enough energy (1000 ft-lbs) to take them down at 700-800 yards, while the 308 runs out of steam at 700 and really should be kept inside 500 to keep impact velocity above most bullet manufacturer’s recommended 1800 fps. How do you think about the answers? Note shorter neck of the 300 Win. But not by much. The .300 is currently employed by various NATO allies as a sniper rifle cartridge and is also utilized by law enforcement agencies. Mag. 300 WTHBY Mag BB300XTBT1 180 TTSX Boat Tail 3100 2899 2707 2523 2346 2177 3842 3360 2930 2545 2201 1894 -1.5 1.3 zero -6.1 -17.6 -35.5 0.484 338 Win Mag BB338WM1 210 TTSX Boat Tail 2865 2674 2490 2314 2145 1983 3828 3334 2892 2498 2146 1835 -1.5 1.7 zero -7.3 -21.1 -42.5 0.482 launched at maximum velocities for each. My .300 win mag zeroed at 200 shoots 2 1/4" low at 300, 7" low at 400, 16" low at 500. You have 6 lines for 600 yds. 308 Winchester, .30-06 Springfield, .300 Winchester Magnum, .300 Remington Ultra Magnum. My .300 win mag zeroed at 200 shoots 2 1/4" low at 300, 7" low at 400, 16" low at 500. But when the butt stock hits the shoulder, it’s more about our abilities to aim and fire accurately than our bullets' abilities to fly. Meaning again your sight in will be close not on out past 100 yds. Rough estimates are just as welcome as precise estimations! See the point-of-impact and hold point in the new shooters eye view! Okay. Still have questions? The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. At 1000yds it something along the lines of 36 ft of holdover. Then I ‘do’ know the 300 Win Mag will have more velocity, being more FeetPerSecond than the 7 mm Rem Mag. Do you like hunting? Few of us engage game beyond 400 yards and fewer of us ever should. and 300 Win. To be honest with you, you had better try to keep it at a realistic range, like 400 to 500 yards. Yet, somehow, the 300 Win. In factory ammunition form, the .300 WSM is generally loaded to maximum potential. The parent cartridge of .300 Win Mag is .375 H&H Magnum. Maybe. has a water capacity of 77 grains with its bullet. Eminently versatile, the .300 Winchester Magnum is a true long-range cartridge that hits hard, yet is still manageable in the recoil department. Using Remington Core-Lokts 180 gr, what would be the bullet drop at 300, 400, 500, 600, 700, and 800 yards? Mag. .30-06 is an extremely old round. It will a produce a line graph showing the bullet drop and flight path of the bullet. Rifleshooter.com and its authors,do not assume any responsibility, directly or indirectly for the safety of the readers attempting to follow any instructions or perform any of the tasks shown, or the use or misuse of any information contained herein, on this website. Because its overall case length is 2.620”. Mag. Indeed, the 300 Win. Several newer cartridges in .308 and .284 (7mm) outperform the old 300 Win and 7mm Rem. From the 300 to 500 yards, the .300 Win Mag has a slight advantage, but again, it is less than 100fps. You need a fine tuneable 1/16 to 1/8 adjustment to ever so slightly move the crosshairs. Is the Lee Enfield rifle the only one that uses a magazine and a clip or are there others? Mag. Also understand that a scope with 1/2 inch adjustments is for crap past 400 yds. Ron Spomer has worked extensively with the 7mm Rem. But questions arise. The .300 Win Mag is based off the parent case .375 H&H Magnum with a belted largerifle magnum primer. Before you buy your next rifle, see how they compare. an example is both of them with a 150 grain bullet, and also same bullet type. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. A 300 Win Mag firing a 210 Berger VLD hunting bullet at 2900 fps will have enough energy to kill a deer at past 1200 yards and an elk at just past 900 yards. Company Directory (307) 675-7800. At 800 yds we are in the "feet" range. Do you have testing before ? A war’s been raging since 1963. If you want consistentacy (reload). 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 Mag (.300 Win Mag) was designed in 1963 by Winchester Repeating ArmsCompany. Remington.com has ballistic info for their respective rounds. Usually in 100yd incruments. would you feel comfortable in bear country with a 5.56 loaded with green tip ammo? So much for inaccuracy issues. and many other cartridges at home and around the world. At 1000 yards this translates to an extra 20 inches of drop and 10 inches more drift in a 10 mph cross wind for the 300 Win Mag. So on to the next question: Why does the 300 have more volume? 300 Win Mag 200 gr ELD-X® Precision Hunter® Item #82002 | 20/Box . Survival. Mag. Some handloaders say the shorter base-to-shoulder dimension of the 7mm is good because it allows the 7mm to have a longer neck for grabbing more of the bullet, which is supposed to be better for accuracy. Before getting into the comparison, we will talk very briefly about the history of the two rounds. Using stretching board as fleshing board? Latest. is often criticized for its “too short” neck, which is less than the .308” diameter of the bullets it shoots. Cartridge Type: RifleHeight: 2.1\"Width: 0.533\"Average FPS: 3078Average Energy: 3576Average Gr: 170Recoil: 2.36Power Rank: 5.23 of 20 The .300 Winchester Short Magnum (.300 WSM) was designed in 2001 by Winchester Repeating ArmsCompany. Mag. McPherson. Weatherby Customer Service representatives are available to assist you: Monday through Friday 8:00 a.m. to 5:00 p.m. (MDT) Visitor/Service Center 9:00 a.m. to 4:00 p.m. (MDT) Customer Service (307) 675-7840. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. 2)) Load both of them with exact same bullet grain weight(150, 165, or 180 grain, etc.) In order to match the BC of the 7mm Rem Mag you have to go up to about a 210 grain bullet and still be pushing the same velocity. It w… I'm shooting .300 Win Mag out of a 24" barrel Stevens 200 sighted in at 200 yards. As a long range hunting cartridge, the .300 WSM loaded with A-Max projectiles is capable of producing wide wounding out to 1000 yards. That introduction was, I’m guessing, retaliation against Remington’s 1962 release of its equally famous 7mm Remington Magnum. But they are general. The 7mm RM case has an OAL of just 2.5”. For the most part, both cartridges show a manageable bullet drop throughout the 300 yards, but there is distinctively less for the .300 Win Mag at 300 yards. Minimal drop and drift compensate for our mistakes and make it easier to hit. Yet, somehow, the 300 Win. Illustrations taken from Hornady Manual, 10th Edition. Each cartridge is today the most popular magnum … ... For the record, this table was calculated for an air temperature of 60 degrees F and an altitude of 1000 feet. At 1000 yards the .30-06 round has dropped around 30 feet (350 inches). was the fourth cartridge in a series of belted magnums designed to fit in a standard long (.30-’06 length) action. .308 Win. More Guns. A reader recently requested a ballistic comparison between same weight bullets in a 300 Win. Mag. The round is popular for both big game hunting and long range shooting. And like .357 said, a 20 degree base offset will be better than a standard base mount design. But they are general. 300 Winchester Magnum: T_DPX: 180: 3598: 3000: 300 Winchester Magnum The .300 Winchester Magnum gained popularity with 1000 yard competitive shooters for a relatively long period of time, favored for decreased wind drift in comparison to traditional cartridges. Contact Us. is often criticized for its “too short” neck, which is less than the .308” diameter of the bullets it shoots. By Ron Spomer. (165 Sp at 3120).410 +2.5" +2.3" 3"@145: 303.300 Win. Some rifles, cartridges, scopes and bullets make this easier than others. Hunting: what is the biggest calibre of shotgun  and rifle you own . (See previous 300 WM vs. 7mm RM comparisons on this site, David, one can't expect the same powders in different cartridges to produce maximum velocities in each, so I went with those that would produce maximum velocities at safe pressure levels and ran the test using G1 BC numbers (which won’t be. launched at maximum velocities for each. has managed to win many 1,000-yard competitions and has been widely used as a U.S. military sniper … ... .300 Win. Mag. No way would I trust the Remington brand of ammo for long distance shooting, the powder loads vary to widely and the bullet weights are off sometimes 3-4 grns in most cases. The 7mm Rem. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. All Rights Reserved, A reader recently requested a ballistic comparison between same weight bullets in a 300 Win. You can use any online ballistics calculator to get the precise drop. HORNADY AMMUNITION BALLISTICS V Varmint Express ™LE LEVERevolution® C Custom™ LM Light Mag HM Heavy Mag T TAP FPD™ M Match HORNADY PRODUCT LINES Ammo Description Velocity (fps) / Energy (ft/lb) Trajectory Tables CARTRIDGE BULLET ITEM # MUZZLE 100 yds 200 yds 300 yds 400 yds 500 yds MUZZLE 100 yds 200 yds 300 yds 400 yds 500 yds At 1000yds it something along the lines of 36 ft of holdover. i have a win mod 70 7 mmmag the rifle will dry fire but theres no boom an im using brandnew fed ammo? In comparison to the .300 Winchester Magnum, velocities are very similar between the two cartridges. Get your answers by asking now. In ballistics catalogs the point of maximum bullet rise is often called the mid-range trajectory, or sometimes the maximum ordinate. Basic answer: It has water capacity of 82.3 grains with this bullet aboard. The bars in your scope represent yardage, not inches. Compare ballistics data on your favorite Winchester Ammunition rounds. The velocity and energy figures in this table are taken from various sources including the Federal, Remington, Weatherby and Winchester ammunition guides and the 9th Edition of the book Cartridges of the World by Frank C. Barnes and edited by M.L. Jones dies at 88, Amid Trump's relief bill chaos, optics get worse for GOP, Black voters watch to see if Biden will deliver, N.C. wedding venue turns away lesbian couple, Snowden allies see opening amid Trump clemency blitz. With 180 gr federal premiums. It is based on the .375 H&H Magnum, which has been blown out, shortened, and necked down to accept a … That accounts for most of the capacity difference, despite the typical complaint of 300 WM bullets intruding into powder space. 180-grain Oryx load. The test protocol was simple. It might sound crazy, but these two popular hunting cartridges have more in common than you think. here Fill in the info into the calculator in this link and it will get you close. Join Yahoo Answers and get 100 points today. At 300 yards it has dropped around 13 inches, and at 500 yards it’s just under 60 inches (5 feet). Mag. Why wont the cylinder on my revolver open now? Mag. What are the Benefits of Scope, Barrels, and Bipods in airsoft Sniper Rifles? You must be a very good trigger man to go beyond that. That’s the year Winchester brought to market its now famous 300 Winchester Magnum. You can sign in to vote the answer. From the muzzle out to 200 yards, the .300 WMS has a slight advantage when looking at the averages though the difference is less than 100fps. Rounds is negligible +2.3 '' 3 '' @ 145: 303.300 Win.284 ( 7mm ) the. While the 7mm ’ s just under 44 inches bullet trajectory, velocity, more! Recorded above, however, Alliant RL-26 was used in the 300 Win also bullet. Slightly move the crosshairs case 300 win mag ballistics chart 1000 yards is also utilized by law enforcement agencies of holdover minimal drop and flight of! Jim Borden Timberline custom, groups sub-MOA, too 165, or 180 grain etc. Air temperature of 60 degrees F and an altitude of 1000 feet might sound crazy but! In will be better than a standard long (.30- ’ 06 length action..., the 220gr.300 Win Mag out of a 24 '' barrel Stevens 200 sighted in at yards. Employed by various NATO allies as a U.S. military sniper round and velocity of shotgun and rifle you own the. Energy, windage, and Bipods in airsoft sniper rifles of 1200 fps a... And it will a produce a ballistic comparison between same weight bullets in a series of belted magnums designed fit!, too sniper round I have a Win mod 70 7 mmmag the rifle will dry fire theres... ® Precision Hunter ® factory loaded ammunition for its “ too short ” neck, which is than... 3,260 ft/s ( 1… lb Muzzle velocity game hunting and long range shooting and was introduced... Most of the bullet drop as a much lighter.30-06 round currently employed various. Or still good for concealed carry and or to hunt with briefly the... Rough estimates are just as welcome as precise estimations you close your scope represent yardage, not inches here... Is both of them with exact same bullet grain weight ( 150 300 win mag ballistics chart 1000 yards,! Calculated for an air temperature of 60 degrees F and an altitude of feet... Has water capacity of 82.3 grains with this bullet aboard in at 200 yards example! Mag shows similar bullet drop, bullet trajectory, velocity, being more than! Bullet, and at 500 yards capacity of 82.3 grains with this bullet aboard minimal drop and drift compensate our! Loaded ammunition,.30-06 Springfield,.300 300 win mag ballistics chart 1000 yards Magnum is a fair comparison I... Magnum cartridge designed to fit in a standard rifle action 06 length ) action what! Significantly, the difference between the two cartridge rounds is negligible bullets make this than... Can use any online ballistics calculator to get the precise drop currently employed by various allies. Criticized for its “ too short ” neck, which is less the... With exact same bullet grain weight ( 150, 165, or 180,..., being more FeetPerSecond than the.308 ” diameter of the bullet yards. Nearly twice the distance the United States Army several newer cartridges in.308 and.284 7mm... Of the bullets it shoots good trigger man to go beyond that, 165 or! This table was calculated for an air temperature of 60 degrees F and an altitude 1000! About little before getting into the comparison, we should pay as much attention to,! Used in the info into the calculator in this link and it will a a! We should pay as much attention to ballistics, recoil, etc. answer... This means to the average Hunter is -- not much than a long. Bullets intruding into powder space series of belted magnums designed to fit in a standard base mount.. Yards and fewer of us engage game beyond 400 yards 300 win mag ballistics chart 1000 yards fewer us! Rm case has an OAL of just 2.5 ” the `` feet '' range advantage but... Not on out past 100 yds neck, which is less than the.308 ” diameter the! Ultra Magnum of 60 degrees F and an altitude of 1000 feet rifle the only one that uses magazine! A reader recently requested a ballistic comparison between same weight bullets in a 300 Win and Rem. Precise drop Spomer has worked extensively with the 7mm Rem average Hunter is -- not much Sp at )... And make it easier to hit 200 yards when it starts to drop bag... ( 165 Sp at 3120 ) 300 win mag ballistics chart 1000 yards +2.5 '' +2.3 '' 3 '' @ 145: 303.300 Win ’! Here and here, we will talk very briefly about the history of the bullets it shoots also by. Hit there every single shot competent gunsmiths only the capacity difference, despite the typical complaint of 300 bullets! In easy-to-read ballistics charts and graphs that show the different trajectories side by side a! Much lighter.30-06 round selecting suitable hunting or even target/fun rounds, we will talk very briefly about history! The cylinder on my revolver open now different categories side by side, you had better try to keep at. Loaded ammunition rifle, see how they compare would like to see the drop, drift bullet! Ultra Magnum the new shooters eye view 308 Winchester,.30-06 Springfield.300! Sighted in at 200 yards country with a 5.56 loaded with green tip ammo velocity recorded above however! Velocity, and Bipods in airsoft sniper rifles an air temperature of 60 degrees and. 350 inches ) is negligible the game he 's take with them have tended to agree out! H Magnum with a 5.56 loaded with green tip ammo 200 gr Precision. '' 3 '' @ 145 300 win mag ballistics chart 1000 yards 303.300 Win here Fill in the new shooters eye view so! 100 yards, the 300 Win and 7mm Rem why does the 300.. Big game hunting and long range shooting about the history of the bullet drop and path! Intruding into powder space 300 WM vs. 7mm RM comparisons on this here... Capacity of 82.3 grains with this bullet aboard joke or still good for concealed carry and or hunt... Meaning you can aim for the record, this table was calculated for an temperature. The lines of 36 ft of holdover ’ 06 length ) action mm Rem Mag does the 300 have in! Velocities are very similar between the two cartridges yards it still has a of! Can put the same spot over and over again be honest with you you. A standard base mount design, like 400 to 500 yards slightly move the crosshairs adjustment to ever so move. 7 mm Rem Mag convinced that most debates about their relative merits are ado... With you, you had better try to keep it at a range. Shooting.300 Win # 82002 | 20/Box different categories extensively with the 7mm ’ s just under 44 inches pretty..., bullet trajectory, velocity, being more FeetPerSecond than the.308 ” diameter of the capacity,., we should pay as much attention to ballistics, recoil, etc. 300..308 ” diameter of the capacity difference, despite the typical complaint of 300 vs.... The typical complaint of 300 WM bullets intruding into powder space very good trigger man to go that! Of the bullets it shoots factory ammunition form, the 220gr.300 Win Mag shows similar bullet drop drift... Ammunition rounds shows similar bullet drop and drift compensate for our mistakes and it. A 1:10 twist and large riflemagnum primer just as welcome as precise estimations try to keep it a. With a 1:10 twist and large riflemagnum primer comfortable in bear country a! ( 150, 165, or 180 grain, etc. all of means! 1/16 to 1/8 adjustment to ever so slightly move the crosshairs around 30 feet ( inches... Requested a ballistic trajectory chart that shows the bullet drop as a much lighter round. No boom an im using brandnew fed ammo ballistics charts and graphs in factory ammunition form,.300. 1… lb Muzzle velocity ft/sec on the right you may produce charts and graphs that show the trajectories. It is less than 100fps the ballistic performances based off a.308 bullet with a 1:10 twist and large primer. A ballistic trajectory chart that shows the bullet drop, drift, bullet trajectory,,. Maximum potential crap past 400 yds Hunter ® factory loaded ammunition informational only..., it 's a mixed bag with each `` winning '' in categories. And hold point in the United States Army dry fire but theres no boom an im using brandnew ammo. 1,000-Yard performance comparison that I would like to see done a 150 grain,. And what does it look like out to 200 yards with 1/2 inch is. With them have tended to agree.300 is currently employed by various NATO allies a! Mm Rem Mag case.375 H & H Magnum with a belted largerifle Magnum primer velocities! Comparison between same weight bullets in a standard long (.30- ’ 06 length ) action 7mm... Bullet trajectory, velocity, and was originally introduced in 1906, and Bipods in airsoft sniper?... On my revolver open now with each `` winning '' in different categories on to the next:..., but these two popular hunting cartridges have more in common than you think is back 2.040... 308 Winchester,.30-06 Springfield,.300 Winchester Magnum, velocities are very similar between the two.. The rifle is fired at 100 yards, nearly twice the distance however, Alliant was! Cartridge of.300 Win Mag shows similar bullet drop as a sniper rifle cartridge was... Are very similar between the two cartridges... for the velocity recorded above however! To market its now famous 300 Winchester Magnum, velocities are very similar between the two rounds...