Yes, a 7mm Remington Magnum is generally considered "stronger" (more powerful) than a .30-06 Springfield in terms of velocity, energy, and downrange performance.
30-06 load produces velocities around 2,900-3,000 fps from a 24 " barrel. By comparison, a 150-grain 7mm Rem Mag load achieves approximately 3,100-3,200 fps from the same barrel length. This 200+ fps advantage translates to flatter trajectory and greater energy retention at distance.
First, it established that a 7mm uses . 284-inch diameter projectiles. Make the conversion: 7mm equals . 276-inch; .
In fact, at 300 yards, a 168-grain Barnes TSX bullet fired from a 308 Winchester will perform as much as 15% better in terms of velocity, energy, and trajectory, than will most 220-grain bullets fired from a 30-06.
The 7mm Remington Magnum is a big game hunting cartridge capable of taking thin skinned game at considerable hunting ranges.
Shooting from a standard 24-inch barrel, a 7mm-08 Rem with a 140-grain Remington Core-Lokt Tipped leaves the muzzle around 2,860 feet per second, carrying roughly 2,542 foot-pounds of energy. The 308 Win with a 150-grain Core-Lokt Tipped clocks in at about 2,820 feet per second with 2,648 foot-pounds of energy.
The 7mm PRC is designed for maximum efficiency with today's heavy, low-drag bullets. The first loads use 180-grain bullets at 2960 fps. Although awesome at long range, bullets this heavy aren't essential for most deer hunting. Using them does no harm, except recoil will be the same as a .
308 can have a greater accuracy potential than 30-06. It has to do with the length of the powder column. 308 runs at the same maximum pressure, but the case is about 11mm shorter.
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Another difference is that the 7.62x54R fires a slightly wider 0.312” diameter bullet, while the 30-06 fires a 0.308” diameter bullet. This can cause a lot of confusion with new shooters, as both rounds carry the 7.62mm caliber designation (30-06 is 7.62x63mm, per NATO specs).
The 30-06, as you might guess, fires 30-caliber or 0.308” diameter bullets while the 7mm Rem Mag fires 0.284” diameter bullets (7.2mm). While the case length for the 30-06 is only 0.006” shorter than the 7mm, the case capacity is quite different between the two.
You can find 7mm Remington Magnum loads that have more kinetic energy than 300 Winchester Magnum loads, but in most cases the 300 Winchester Magnum has the advantage in terms of raw power.
The 7mm-08 wins the lightest recoil title here. In a 7-pound rifle it will recoil with a velocity of 13.57 fps and energy of 20.04 f-p. The 270 will kick at 15.1 fps with 24.81 f-p.
30-06 is capable not only of making shots over longer distances, but also of taking down larger targets. If you're planning on sticking within smaller distances and targeting only whitetail deer and smaller, the . 30-30 might be all you need – but it certainly doesn't offer the range of possibilities we see with the .
30-06 is slightly (. 05”) longer, the 7mm-08 has a steeper shoulder, which gives it much more case capacity and thus the ability to be loaded to a higher pressure. However, the . 30-06 does have larger diameter bullets, at .
The idea is that when your mind tells you you're done and can't go any further, you are only at about 40% of your actual capacity. Push for that extra 60% when your mind is telling you to quit, that you're “at your limit.” Because you're most likely not.
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The '06 shoots flatter. It drops about three inches less at 400 yards than the . 308 when zeroed at 200 yards using standard hunting bullets at factory velocities.
a Remington Model 700, later type classified as a MK13 Mod 1, .300 Winchester Magnum sniper rifle with McMillan stock and customized barrel, which was later replaced with a .300 Winchester Magnum Accuracy International, Various rifles chambered in .338 Lapua Magnum used for long-range shooting.
The United States military, however, had 50 years of success with the 30-06 round and was hesitant to switch to a smaller, less powerful round. A compromise (of sorts) was reached in the form of the 308 round, which was introduced and standardized as the 7.62x51mm NATO round.
At 300 yards, we'll see the . 300 Win Mag has dropped 6.1” compared to the 7mm Rem Mag's 6.8”; out to 500 yards, the . 300 Win Mag will drop 36.0”, while the 7mm Rem Mag will drop 38.8”.
One of the real reasons these cartridges are so popular is how they handle. Compared to old‑school magnums, both the 7mm‑08 and 6.5 Creedmoor are downright pleasant to shoot. If you've ever winced at a . 30‑06 one morning and felt it all day, you understand why this matters.
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