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. The 338 is a 33 cal magnum that just punches a bigger hole than the 300 . 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 .300 Weatherby Magnum or .338 Winchester Magnum rounds for hunting, target shooting, plinking, or any other usage. Mag. Both are celebrated by hunters worldwide, but which one of these classic .30-caliber cartridges will come out on top He said 338 Winchester Mag and not 300 Win mag. check out the. Calculations were corrected to standard temperature (59F/15C) and pressure … and the 300 Weatherby Mag. Welcome to Field and Streams's Answers section. I was all ready to buy a new rifle in 300 win mag, but after reading up on the issue of the inherent accuracy flaws from a belted magnum, I'm wondering if the 300 RUM might have better (or easier) potential to be more accurate out of the box since … As illustrated in the chart,.300 Weatherby Magnum rounds - on average - achieve a velocity of about 3230 feet per second (fps) while.338 Winchester Magnum rounds travel at a velocity of 2820 fps. The author analyzed six .30 caliber magnum cartridges (.300 H&H Magnum, .300 Winchester Magnum, .300 Weatherby, .300 Remington Ultra Mag., .30 Nosler, and .30-378 Weatherby) for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. .300 Wby. Wby ammo is $60.00 and up and some C&C 338 Win ammo is cheaper and easier to find than 300 Wby. If this is your first visit, be sure to True .300 Weatherby Magnum and .338 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. You are right, unless you know how to handle the .300 Roy, best stick with a lesser adequate cartridge. The brass is very good and cheaper than the Wby. That is to say, .300 Weatherby Magnum bullets travel 3.7 times the speed of a 737 airplane at cruising speed, while .338 Winchester Magnum bullets travel 3.2 times that same speed. Here are some measurements and comments about the 300 Win vs the 30 Nos. The 300 win mag was brought out to replicate the 300 H&H; same performance in a shorter action. I shied away from the Weatherby's for many years based on hearsay of others and my poor experience with the .338 Win Mag. Generally speaking, the higher the muzzle energy, the higher the stopping power. The extra few hundred foot-pounds of energy that you'd get from a .388 Wby Mag aren't that crucial. There is a definite difference between the .300 Win Mag and .300 WSM with all of the .300 Win Mag rounds generating over 26ft.lbs of energy with several in the 29-32ft.lb range. 300 Win Mag vs 338 Lapua vs 338 Win Mag: Picking The Right Heavy Hitter. It was very close to a .338 Winchester necked down to hold .308-inch-diameter bullets, and still makes a good choice for all-around hunting. For the 300 win the only new case I had was a Lapua head stamp. jhjimbo.... you are mixing apples with lemons, boy! It kicks harder than a .300 Win mag by alot, since it has more powder in the case. Mag. Again, the above is for comparative information purposes only, and you should consult the exact ballistics for the particular .300 Weatherby Magnum or .338 Winchester Magnum cartridge you're looking at purchasing. While Winchester maintained the ability to house the 3.34-inch cartridge in the long-action receiver, they … velocities in a short-action rifle. He hunts elk with it, and has never had to use more than 1 shot, for over 13 years. It depends on what you intend to do with it. 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. of energy at the muzzle, the .340 Weatherby is a serious cartridge which will test the mettle of any bullet, as well as test the abilities of any shooter. Temps now in the upper 30’s and dropping, rain has mostly let up and most of... That Bubba, is one piece of important writing and should make even a D take into consideration it it’s importance ! I did some bench comparisons of the two. Yes, it could happen. Beyond 300 they start to shine but there are 7 mm's with their higher BC bullets that will out perform either. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. All statements stated concerning... Answers.fieldandstream.com is part of the Field & Stream Network, a division of Bonnier Corporation. Winchester finally released its .30-caliber magnum three years later; the .300 Winchester Magnum came onto the scene with a bit of a different approach. Don't own one but I have a .340 Weatherby. Weatherby MKV 250 Savage (24885) $1,290 00 ... Weatherby Vanguard 270 Win (24087) $790 00. We offer cheap ammo and bulk ammo deals on the most popular ammo calibers. No cartridge that develops over 3,500 ft. lbs of energy from the muzzle of a hunting rifle can be called a soft shooter, but the 9.3x62 is a bargain, in terms of recoil, for its killing power. out to 500 yds, the catch is the .338 has more kick. 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