It is a bit hard to choose between getting the 300 Win Mag or the 300 Ultra Mag when browsing through the Remington brand catalog. This is because both products have their own outstanding features.
If you’re finding it tricky to choose, then let me help you distinguish between the two and find the strengths of each bullet.
300 Win Mag
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Remington produced the 300 Win Mag in 1999 and it was the first cartridge from the 30-caliber. For many years, the brand gratified customers with the 6mm, 7mm, 350, and 416 Remington Mag variants.
With plenty of different mag variants in its arsenal, the Remington brand eventually became a competitor to bigger bullet brands like Winchester, Weatherby, H&H, Norma, and Dakota.
The 300 Win Mag is an elegant, standard-length cartridge that is very similar to the belted 375 H&H Magnum case. It is ideal for 30-06 length cartridges, like those on my favorite battle rifle: the M1 Garand.
It’s a faded brim and short-action hunting round suitable for 308-length rifle actions. It also takes vital powder volume to send projectiles through the length of the further diameter body of a 404 Jeffery parent case.
If you look closer at the 300 magnum’s performance numbers, you’ll see that Winchester’s factory loads the 300 Win Mag and puts 60 fps of snout speed with 143 f-p kinetic energy.
There is something different in the MV from shot to shot, especially when using similar ammo boxes in many rifles. Those who use it when hunting game, for example, will realize that the bullet has a different feel.
How about the magnums? This is an additional comfort of catching large game with much oomph. It actually doesn’t have a vast difference whether you hunt mule deer or elk behind the shoulders.
However, it might create suspicion on an injured buck that’s marked straight at you. This is since the 300 magnum is like the Power Core, E-Tip, and AccuBond CT. You can increase the perforation via the hardest muscle, hide, and bone.
Another reason I’d choose the 300 Win Mag is its velocity. In a laser rangefinder, a trajectory curve with a ballistic reticle can help you shoot at all ranges without hassle, making it suitable even for long-range shooting.
If you’d like to establish the Maximum Point Blank Range system for rapid targeting at unfamiliar distances, then I recommend choosing a flatter trajectory for 30-caliber bullets. It’s a worthy investment.
As I said, Winchester’s 300 Magnum has a large advantage for long-range shooting. Some shooters, like me, love using it with a long rifle that has a 24-inch barrel or even a short-action one.
Some hunters will say that you can take more stuff on when using the slimmer 300 Win Mag with your rifle’s magazine. Some also claim that the WSM is a more effective cartridge when used with burning powder in a dense space.
If Winchester’s loads are like the MV, then you won’t really see much difference except if you’re a hand loader. The 300 Win Mag isn’t much of a big change unless you begin with a powerful shot.
Choose the 300 Winchester magnum that will match the weight and the length of the rifle you would like. If fast action and short-range are your favorites, then I wholeheartedly recommend that you buy the WSM.
If you prefer going for a 30-06 length, then I suggest sticking with the 300 Win Mag.
300 RUM (Remington Ultra Mag)
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Unlike the 300 Win Mag, the 300 Ultra Mag is a more versatile cartridge for shooters at every range.
It’s also a new variant from the Remington brand. It has attracted many new hunting fans. My appreciation for it grew when I tested it on a friend’s gun during a recent hunting trip.
The 300 RUM are longer and heavier bullets compared to their counterparts, since most Americans love using larger variants. The most noticeable difference it has from others is that it uses smokeless powder.
It can also accommodate bigger volume items you may have. That’s the particular forte of the 300 Ultra Mag by Remington.
For instance, if you want to show off to your friends, then I recommend the 300 Ultra Mag cartridge because of its stopping power and precision. The 300 Ultra Mag just feels different when you’re finally using it.
Free Recoil Energy
It’s also perfect for those who love large thumpers. When shooting a 200-grain bullet at 3,185 fps, this robust magnum will support you with nearly 32 foot-pounds of free recoil power.
That rate is higher than the 21 foot-pounds of free recoil energy you’d get from a 30-06 shooting with a 180-grain bullet in an 8-pound rifle. However, I wouldn’t recommend it if you’re looking to minimize recoil.
Despite being a slightly heavier bullet, it’s still a good mag if you’re looking to go long-range shooting at typical hunting ranges.
The 300 Ultra Mag can also help you reach 2 inches higher at 100 with 2.87 inches low at 300 and 12 inches low at 400.
At 500 yards, the bullet can be dragged at 2,543 foot-pounds of power. This is much better than a 168-grain bullet from 30-06 carries at 100 yards only.
Final Verdict: 300 Win Mag vs 300 RUM
The fact is that each cartridge has different points with lots of advantages. The 300 Win Mag is older but still versatile for shooting in most deer hunting sites.
Personally, I think that whether you choose the 300 Win Mag or 300 Ultra Mag, you’ll gain the same level of shooting experience. They’re both competent in their own ways. It’s just a matter of preference.
FINAL TIP: I recommend checking out our buying guide on the best rifles that use 300 win mag cartridges for some excellent rifle options.
CHANGELOG: October 12, 2022 - Updated content April 1, 2022 - Made updates to the content, updated article title January 12, 2021 - Added new product links September 14, 2021 - Reviewed and updated article links